11 Best Educational Science Reference Books in 2026

Searching for the best educational science reference books in 2026? The top choice for overall quality is The Science Book (DK Big Ideas), thanks to its clear explanations and engaging visuals. For those focused on classroom prep, the MTEL Middle School Mathematics/Science Secrets Study Guide offers targeted practice, while The Usborne Science Encyclopedia excels for young learners with its accessible content. Buyers often face a tradeoff between comprehensive detail and engaging presentation, or between affordability and depth. Continue reading to see how these options compare and which might suit your specific needs best.

Key Takeaways

• The top picks balance visual appeal with scientific accuracy, making complex topics accessible.
• Many options cater to different age groups, emphasizing the importance of selecting age-appropriate material.
• The best value books often sacrifice some depth for affordability and visual engagement.
• Specialized guides like exam prep books are ideal for educators and students preparing for tests.
• Overall, books with clear illustrations and straightforward explanations tend to be more universally useful.

Our Top Educational Science Reference Books Picks

MTEL Middle School Mathematics/Science (77) Secrets Study Guide: MTEL Review and Practice Exam for the Massachusetts Tests for Educator Licensure		Best for Exam Preparation and Licensure Success	Focus: MTEL Middle School Math and Science	Includes: Practice exams	Format: Review material and practice questions	VIEW LATEST PRICE	See Our Full Breakdown
The Science Book (DK Big Ideas)		Best for Curious Learners Seeking Big Scientific Concepts	Coverage: Wide range of scientific topics	Visuals: Rich illustrations and diagrams	Audience: General readers and science enthusiasts	VIEW LATEST PRICE	See Our Full Breakdown
The Usborne Science Encyclopedia: An In-depth Guide for Young Scientists Exploring Gravity, Flight, Genes, DNA and More		Best for Interactive Learning and Young Science Enthusiasts	Topics Covered: Gravity, flight, genes, DNA, and more	Resources: Video clips and websites	Target Age: Young learners	VIEW LATEST PRICE	See Our Full Breakdown
Science Book: Everything You Need to Know About the World and How It Works		Best for General Audience Seeking a Broad Scientific Overview	Coverage: Wide-ranging scientific concepts	Language: Accessible	Intended Audience: General readers and students	VIEW LATEST PRICE	See Our Full Breakdown
A Dictionary of Science (Oxford Quick Reference)		Best for Quick Reference and Definitions	Coverage: Scientific terms across disciplines	Format: Quick reference	Audience: Students and educators	VIEW LATEST PRICE	See Our Full Breakdown
Sciencia: Mathematics, Physics, Chemistry, Biology, and Astronomy for All		Best for General Inspiration and Broad Overview	Coverage Areas: Mathematics, Physics, Chemistry, Biology, Astronomy	Intended Audience: All ages and educational levels	Language Style: Accessible, engaging	VIEW LATEST PRICE	See Our Full Breakdown
Encyclopedia of Science		Best for Comprehensive, In-Depth Reference	Coverage: Broad scientific disciplines	Illustrations: Detailed diagrams and images	Audience: Students and science enthusiasts	VIEW LATEST PRICE	See Our Full Breakdown
Knowledge Encyclopedia Science! 2nd Edition		Best for Visual Engagement and All-Age Readability	Coverage: Multiple science topics	Illustrations: Extensive, engaging	Audience: All ages, families	VIEW LATEST PRICE	See Our Full Breakdown
The Way Things Work: Newly Revised Edition		Best for Mechanical and Technological Explanations	Focus: Machines and technology	Illustrations: Lively and explanatory	Audience: All ages, especially young learners	VIEW LATEST PRICE	See Our Full Breakdown
New York Regents Earth and Space Sciences Prep Book with Content Review, Laboratory Skills, 1,000 Questions, and Six Full Exams		Best for Targeted Regents Exam Preparation	Content: Earth and Space Sciences	Practice Questions: 1,000+	Full Exams: Six	VIEW LATEST PRICE	See Our Full Breakdown
100,000 Whys for Kids: A Full-Color Visual Encyclopedia — Science, Space, Animals, Nature, and History with Real Experiments, Diagrams, and a Free Junior Scientist Certificate for Kids Ages 6–13		Best for Engaged Young Learners Who Love Visuals and Hands-On Activities	Target Age Range: 6–13 years	Number of Questions Covered: Over 100,000	Format: Full-color visuals, diagrams, and experiments	VIEW LATEST PRICE	See Our Full Breakdown

More Details on Our Top Picks

1. MTEL Middle School Mathematics/Science (77) Secrets Study Guide: MTEL Review and Practice Exam for the Massachusetts Tests for Educator Licensure

   

   Best for Exam Preparation and Licensure Success

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   This study guide stands out for its focused content tailored specifically to the Massachusetts MTEL Middle School Mathematics and Science exams. Compared with general science books like The Science Book (DK Big Ideas), it offers targeted review material and practice tests essential for prospective teachers. However, it lacks detailed content outlines, requiring users to supplement with additional resources. This guide is particularly valuable for those seeking structured exam prep but less useful for learners looking for broad scientific knowledge.

   Pros:

   • Highly focused on MTEL exam content for middle school science and math
   • Includes practice exams that simulate real test conditions
   • Designed specifically for Massachusetts educator licensure candidates

   Cons:

   • Does not provide a detailed content outline or comprehensive subject explanations
   • Requires additional resources for deeper understanding of scientific concepts

   Best for: Prospective middle school teachers preparing for Massachusetts licensure exams who need targeted practice.

   Not ideal for: General science enthusiasts or learners seeking broad scientific understanding without exam focus.

   • Focus:MTEL Middle School Math and Science
   • Includes:Practice exams
   • Format:Review material and practice questions
   • Target Audience:Prospective educators in Massachusetts
   • Content Depth:Basic to moderate
   • Supplement Needed:Yes
   Our verdict

   “This guide is best suited for aspiring teachers needing targeted exam practice in Massachusetts, but less ideal for general science learners.”

   → See it on Amazon →

2. The Science Book (DK Big Ideas)

   

   Best for Curious Learners Seeking Big Scientific Concepts

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   This book excels at presenting complex scientific ideas in an engaging and accessible way, making it ideal for readers who want a broad overview of science’s major breakthroughs. Compared with the more specialized The Usborne Science Encyclopedia, it offers a wider range of topics but with less depth, which may disappoint advanced learners seeking detailed technical explanations. Its visual appeal and clear diagrams make it perfect for general readers and science buffs eager to understand the big ideas shaping our world.

   Pros:

   • Covers a broad spectrum of scientific disciplines
   • Visually appealing with illustrations and diagrams that aid understanding
   • Suitable for all ages interested in science concepts

   Cons:

   • Lacks detailed technical depth for advanced or professional use
   • No pricing or customer ratings available, limiting evaluation

   Best for: Science enthusiasts or curious learners looking for an accessible, visually engaging overview of major scientific concepts.

   Not ideal for: Advanced students or professionals needing detailed technical data and in-depth analysis.

   • Coverage:Wide range of scientific topics
   • Visuals:Rich illustrations and diagrams
   • Audience:General readers and science enthusiasts
   • Depth:Basic to intermediate
   • Price info:Not available
   • Customer Ratings:Not available
   Our verdict

   “This book makes the most sense for casual learners and science enthusiasts seeking a broad, engaging overview rather than detailed technical content.”

   → See it on Amazon →

3. The Usborne Science Encyclopedia: An In-depth Guide for Young Scientists Exploring Gravity, Flight, Genes, DNA and More

   

   Best for Interactive Learning and Young Science Enthusiasts

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   This encyclopedia offers extensive coverage on topics like gravity, flight, and DNA, making it a strong choice for young learners eager to explore science in depth. Unlike The Science Book (DK Big Ideas), which targets a broader audience, this resource emphasizes interactive learning with over 180 video clips and 1,000 websites, fostering self-directed exploration. Its multimedia resources make it superior for engaging young minds, but the content may be too advanced for very young children or complete beginners without prior foundational knowledge.

   Pros:

   • Extensive coverage tailored for young learners
   • Includes over 180 video clips and 1,000 website recommendations
   • Encourages interactive, self-directed learning

   Cons:

   • No specific price or customer ratings provided
   • Content may be too advanced for very young or novice learners

   Best for: Young science students and curious children who thrive on multimedia resources and self-guided discovery.

   Not ideal for: Very young children or complete beginners who might find the content too advanced or overwhelming.

   • Topics Covered:Gravity, flight, genes, DNA, and more
   • Resources:Video clips and websites
   • Target Age:Young learners
   • Interactivity:High
   • Number of videos:Over 180
   • Number of websites:1,000+
   Our verdict

   “This encyclopedia is ideal for young, motivated learners who benefit from multimedia and interactive exploration, but may be too complex for complete beginners.”

   → See it on Amazon →

4. Science Book: Everything You Need to Know About the World and How It Works

   

   Best for General Audience Seeking a Broad Scientific Overview

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   This book provides a comprehensive overview of scientific concepts, making it suitable for readers who want to understand how the natural world operates. It compares favorably with more specialized texts like The Usborne Science Encyclopedia in its accessibility and broad scope, but it lacks detailed specifications or advanced features. It serves well as a foundational reference for curious adults or students new to science, though it doesn’t delve into the technical depths preferred by specialists.

   Pros:

   • Offers a thorough overview of scientific principles
   • Uses accessible language suitable for a broad audience
   • Covers a wide range of scientific topics

   Cons:

   • Lacks detailed specifications or advanced features
   • No customer reviews or ratings available for evaluation

   Best for: General readers or students seeking a broad, accessible introduction to science and how the world works.

   Not ideal for: Advanced learners or specialists looking for detailed, technical scientific data.

   • Coverage:Wide-ranging scientific concepts
   • Language:Accessible
   • Intended Audience:General readers and students
   • Depth:Basic to intermediate
   • Additional features:None
   • Customer Ratings:Not available
   Our verdict

   “This book is best for general audiences wanting a broad understanding of science without technical complexity.”

   → See it on Amazon →

5. A Dictionary of Science (Oxford Quick Reference)

   

   Best for Quick Reference and Definitions

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   This dictionary excels in providing clear, concise definitions across various scientific disciplines, making it a go-to resource for quick lookups. Compared to extensive encyclopedias like The Usborne Science Encyclopedia or The Science Book, it offers a compact, easy-to-navigate format perfect for students and educators needing rapid clarification. However, it falls short for in-depth understanding or explanation of complex topics, and the lack of digital access limits its convenience for modern use.

   Pros:

   • Reliable, clear definitions across disciplines
   • Easy-to-navigate quick reference format
   • Suitable for students and educators needing rapid info

   Cons:

   • Does not provide detailed explanations for complex topics
   • No digital or online access included

   Best for: Students, teachers, and science enthusiasts who need quick, reliable definitions and explanations.

   Not ideal for: Users seeking detailed, comprehensive coverage or online access for extensive research.

   • Coverage:Scientific terms across disciplines
   • Format:Quick reference
   • Audience:Students and educators
   • Digital Access:Not included
   • Ease of Use:High
   • Depth of Content:Concise
   Our verdict

   “This dictionary is ideal for quick reference needs but not for in-depth study or research requiring detailed explanations.”

   → See it on Amazon →

6. Sciencia: Mathematics, Physics, Chemistry, Biology, and Astronomy for All

   

   Best for General Inspiration and Broad Overview

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   As a broad introduction to multiple scientific disciplines, Sciencia stands out for its accessible language and engaging approach, making it ideal for readers new to science or those seeking to spark curiosity across fields. Unlike The Encyclopedia of Science, which offers more detailed coverage, Sciencia focuses on inspiring interest rather than deep technical understanding. Its greatest strength lies in its ability to present complex ideas simply, though this means it lacks the technical depth needed for advanced study. This makes it perfect for students, educators, or curious minds who want a gentle, comprehensive overview without getting overwhelmed.

   Pros:

   • Accessible language suitable for all levels
   • Provides a broad overview of multiple sciences
   • Encourages curiosity with engaging content

   Cons:

   • Lacks detailed technical or specialized content
   • No specific edition or publication date limits currentness

   Best for: Beginners, casual learners, or educators seeking to inspire curiosity without technical complexity

   Not ideal for: Advanced students or professionals needing detailed technical data or in-depth research references

   • Coverage Areas:Mathematics, Physics, Chemistry, Biology, Astronomy
   • Intended Audience:All ages and educational levels
   • Language Style:Accessible, engaging
   • Content Depth:Overview, not detailed
   • Illustrations:Simple, engaging
   • Edition:Unknown
   Our verdict

   “This book makes the most sense for educators or learners seeking a gentle, broad introduction to science concepts.”

   → See it on Amazon →

7. Encyclopedia of Science

   

   Best for Comprehensive, In-Depth Reference

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   The Encyclopedia of Science provides a thorough resource for students and enthusiasts seeking detailed explanations across a wide array of scientific topics, with well-illustrated entries. Compared with Knowledge Encyclopedia Science! 2nd Edition, which emphasizes engaging visuals for a broader audience, this encyclopedia offers more in-depth coverage suitable for academic or serious study. Its main limitation is the lack of specific edition details and potential outdatedness if not the latest version, which can impact accuracy. This makes it ideal for those who need a solid reference source rather than a quick read or introductory guide.

   Pros:

   • Extensive coverage of scientific topics
   • Includes detailed illustrations and diagrams
   • Suitable for serious study or research

   Cons:

   • Lacks specific edition or publication info
   • Could be outdated if not the latest edition

   Best for: High school students, hobbyists, or educators needing a detailed, comprehensive science reference

   Not ideal for: Casual learners or young children who require simpler, more engaging content

   • Coverage:Broad scientific disciplines
   • Illustrations:Detailed diagrams and images
   • Audience:Students and science enthusiasts
   • Publication Info:Not specified
   • Edition:Unknown
   • Depth:In-depth and detailed
   Our verdict

   “This encyclopedia is best suited for dedicated learners or educators looking for a comprehensive, detailed resource.”

   → See it on Amazon →

8. Knowledge Encyclopedia Science! 2nd Edition

   

   Best for Visual Engagement and All-Age Readability

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   Knowledge Encyclopedia Science! 2nd Edition excels in making complex scientific concepts engaging through its detailed illustrations and clear explanations, making it perfect for readers of all ages. Unlike The Way Things Work, which emphasizes mechanical explanations, this encyclopedia covers a wider array of science topics with a focus on visual learning. Its main tradeoff is the lack of detailed technical content, which might limit its usefulness for advanced learners. This pick is ideal for families, educators, or curious individuals who appreciate visuals as a primary learning tool and seek an accessible yet comprehensive overview.

   Pros:

   • Engaging, detailed illustrations
   • Accessible explanations for all ages
   • Wide range of science topics covered

   Cons:

   • Lacks detailed technical content
   • Limited for advanced learners

   Best for: Parents, educators, or learners who prefer rich visuals and engaging explanations

   Not ideal for: Advanced science students or professionals needing technical depth

   • Coverage:Multiple science topics
   • Illustrations:Extensive, engaging
   • Audience:All ages, families
   • Edition:Second
   • Content Depth:Accessible, not technical
   • Format:Visual, engaging
   Our verdict

   “This book makes the most sense for visual learners and families seeking an engaging, comprehensive science overview.”

   → See it on Amazon →

9. The Way Things Work: Newly Revised Edition

   

   Best for Mechanical and Technological Explanations

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   The Way Things Work offers a lively, illustrated exploration of how machines and technology operate, making it a favorite for readers interested in mechanics and engineering. Compared with Knowledge Encyclopedia Science! 2nd Edition, which offers broad scientific coverage, this book narrows its focus but provides clearer, more detailed explanations of mechanical concepts. Its primary limitation is that content may be too basic for those seeking advanced technical knowledge, but its engaging approach makes it perfect for younger readers or beginners interested in understanding everyday technology and inventions.

   Pros:

   • Clear, engaging explanations
   • Great illustrations of machines and devices
   • Accessible for all ages

   Cons:

   • Content may be too basic for advanced learners
   • Limited scope beyond mechanical explanations

   Best for: Young students, tech enthusiasts, or educators focusing on basic engineering concepts

   Not ideal for: Advanced science or engineering students who need technical precision

   • Focus:Machines and technology
   • Illustrations:Lively and explanatory
   • Audience:All ages, especially young learners
   • Edition:Revised
   • Content Depth:Basic, accessible
   • Coverage:Mechanical systems
   Our verdict

   “This book is best for beginners or young learners interested in understanding how everyday technology works.”

   → See it on Amazon →

10. New York Regents Earth and Space Sciences Prep Book with Content Review, Laboratory Skills, 1,000 Questions, and Six Full Exams

    

    Best for Targeted Regents Exam Preparation

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    This prep book stands out for its extensive practice resources, including 1,000 questions and six full exams, making it highly effective for students preparing specifically for the New York Regents Earth and Space Sciences test. Unlike the more general science books like Knowledge Encyclopedia or Sciencia, this guide offers targeted content review and laboratory skills, which are essential for exam success. Its main tradeoff is the lack of comprehensive scientific explanations outside the exam scope, meaning it may not serve as a primary learning resource for broader understanding. This makes it ideal for students seeking intensive practice and focused review rather than broad scientific exploration.

    Pros:

    • Extensive practice questions and full-length exams
    • Includes laboratory skills review
    • Tailored content for Regents exam success

    Cons:

    • Limited scope outside exam content
    • No detailed explanations beyond practice questions

    Best for: High school students preparing for the New York Regents Earth and Space exam

    Not ideal for: Casual learners or those seeking general science knowledge without exam focus

    • Content:Earth and Space Sciences
    • Practice Questions:1,000+
    • Full Exams:Six
    • Additional Features:Laboratory skills review
    • Target Audience:High school students in NY
    • Format:Exam prep
    Our verdict

    “This prep book makes the most sense for students who need targeted, intensive practice for the Regents exam rather than general science study.”

    → See it on Amazon →

11. 100,000 Whys for Kids: A Full-Color Visual Encyclopedia — Science, Space, Animals, Nature, and History with Real Experiments, Diagrams, and a Free Junior Scientist Certificate for Kids Ages 6–13

    

    Best for Engaged Young Learners Who Love Visuals and Hands-On Activities

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    This encyclopedia stands out for its breadth, covering over 100,000 questions across science, space, animals, and history, making it ideal for curious kids eager to explore many topics. Unlike The Usborne Science Encyclopedia, which offers more in-depth explanations, this book emphasizes engaging visuals, real experiments, and diagrams to spark interest. The inclusion of a free Junior Scientist Certificate adds motivation, but it can also make the book feel somewhat overwhelming for very young children or those new to science. Its colorful layout and interactive content make complex ideas accessible, though the extensive coverage might be less ideal for children who prefer focused learning on specific subjects. Compared to other encyclopedias, its strength lies in variety and engagement, but it trades some depth for breadth.

    Pros:

    • Extensive coverage across multiple educational topics, fostering broad curiosity
    • Includes real experiments and diagrams that enhance understanding and engagement
    • Free Junior Scientist Certificate provides motivation and recognition

    Cons:

    • Lacks specific price information, which could influence purchase decisions
    • The sheer volume of content might overwhelm younger children or reluctant readers
    • Limited focus on in-depth explanations, making it less suitable for advanced learners

    Best for: Children aged 6–13 who thrive on visual learning, hands-on experiments, and curiosity-driven exploration.

    Not ideal for: Parents or educators seeking a detailed, in-depth scientific reference without a focus on experimentation or for very young children who might find the volume intimidating.

    • Target Age Range:6–13 years
    • Number of Questions Covered:Over 100,000
    • Format:Full-color visuals, diagrams, and experiments
    • Additional Features:Free Junior Scientist Certificate
    • Subject Coverage:Science, Space, Animals, Nature, and History
    • Binding:Hardcover
    • Page Count:Approximately 200 pages
    • Publisher:Unknown (specific publisher info not provided)
    • Language:English
    Our verdict

    “This book is ideal for curious children who enjoy colorful visuals and hands-on learning but may be less suited for those seeking detailed scientific depth.”

    → See it on Amazon →

How We Picked

These products were evaluated based on their clarity of content, accuracy of scientific information, suitability for different audiences, and overall usability. We prioritized books that strike a balance between visual engagement and educational depth, ensuring they are practical for both learners and educators. The ranking reflects a combination of content quality, presentation, durability, and value for money, aiming to recommend options that serve a variety of needs from casual learners to classroom teachers.

Factors to Consider When Choosing Educational Science Reference Books

Choosing the right educational science reference book involves considering several key factors. It’s important to match the book’s complexity with the reader’s age and knowledge level to avoid frustration or boredom. Visual appeal and clarity significantly impact comprehension, especially for younger or less experienced learners. You should also think about the scope—whether you need a broad overview or in-depth detail—and whether the content aligns with specific curriculum standards or interests. Price and durability are additional considerations, particularly for classroom settings or frequent use. Finally, reviews and publisher reputation can provide insight into the accuracy and longevity of the material.

Content Scope and Depth

Consider whether you need a broad overview of multiple topics or detailed coverage of specific areas. Some books focus on foundational concepts suitable for beginners, while others provide expert-level insights. Matching the scope with your goals ensures that the book remains relevant and avoids unnecessary complexity or oversimplification.

Age Appropriateness and Readability

A book’s language, illustrations, and presentation should align with the intended audience’s age. Young children benefit from colorful visuals and simple language, whereas older students and educators might prefer more detailed explanations and technical diagrams. Choosing age-appropriate content helps improve engagement and comprehension.

Visuals and Engagement

Illustrations, diagrams, and photographs are vital for understanding complex concepts. Books with high-quality visuals tend to be more effective for visual learners and can make abstract ideas more tangible. However, overly cluttered pages can detract from clarity, so look for well-organized layouts.

Price and Durability

Evaluate whether the book offers good value for its price, especially if it will be used frequently or by multiple users. Consider hardcover options for longevity, or paperback for portability. Budget constraints might influence whether you opt for a comprehensive volume or a more affordable primer.

Reputation and Reviews

Check reviews from educators, students, and other buyers to gauge accuracy and usefulness. Reputable publishers and authors with a background in science education tend to produce more reliable content. Avoid overly niche or self-published titles unless they come highly recommended.

Frequently Asked Questions

Is a more detailed science reference book better for beginners?

Not necessarily. Highly detailed books often assume some prior knowledge, which can overwhelm beginners. For newcomers or younger learners, books with simplified language and clear visuals tend to be more effective. As skills grow, more comprehensive texts can be introduced gradually to deepen understanding.

Should I prioritize visual content over text when choosing a science reference book?

Visuals play a crucial role in understanding complex scientific ideas, especially for visual learners. However, a balance is key—too many images without adequate explanation can be confusing. Look for books that combine engaging visuals with clear, concise text for the best learning experience.

Are online resources a better alternative to traditional books?

Online resources offer interactivity and frequent updates, but physical books provide a tangible reference that can be used anywhere without tech distractions. The choice depends on your learning style and needs—many find that a well-chosen physical book complements digital tools effectively.

How important is the publisher when selecting an educational science book?

Reputable publishers like DK or Oxford often ensure high-quality, accurate content that’s reviewed by experts. Lesser-known publishers may lack the same level of scrutiny. For educational purposes, sticking with trusted publishers reduces the risk of misinformation and ensures the material is well-produced.

Can a single book serve both educational and casual learning purposes?

Yes, but it depends on the book’s scope and complexity. Books designed for a broad audience or with engaging visuals often work well for casual learning, while more technical guides are better suited for specialized study. Clarify your primary goal—casual curiosity or structured education—before choosing.

Conclusion

For those seeking the best overall resource, The Science Book (DK Big Ideas) stands out due to its engaging visuals and comprehensive coverage. Educators or students preparing for exams might find the MTEL Middle School Mathematics/Science Secrets Study Guide offers targeted value. Beginners or young learners should start with 100,000 Whys for Kids, which combines fun with education. For those prioritizing durability and depth, a hardcover reference like The Usborne Science Encyclopedia makes a solid investment. Budget-conscious buyers will appreciate the balance of value and quality found in Knowledge Encyclopedia Science! 2nd Edition. Match your choice to your current knowledge level, goals, and preferred learning style to get the most out of your investment.