7 ACT Prep Books That Separate Experts from Amateurs

These ACT Prep books, authored by recognized authorities such as ACT and Brian Stewart M.Ed., provide targeted strategies and authentic practice for exam success.

Updated on June 28, 2025
We may earn commissions for purchases made via this page

What if your next ACT prep book could unlock the exact mindset and skills the test creators expect? While many students face the ACT feeling overwhelmed, these carefully curated books bring clarity by revealing the test's inner workings and proven approaches. ACT Prep matters now more than ever as college admissions remain fiercely competitive, and every point counts.

Each book in this collection is authored by trusted sources deeply involved in ACT test development or expert tutoring. From the ACT organization’s own guides to Brian Stewart M.Ed.’s comprehensive study plans, these resources are crafted to build confidence through authentic practice and strategic insight.

While these expert-curated books provide proven frameworks and real ACT questions, you might consider creating a personalized ACT Prep book that tailors strategies to your unique strengths, weaknesses, and goals. This approach helps bridge broad expertise with your individual preparation journey.

Best for rigorous full-length practice
Brian Stewart is the author of ACT, SAT, and PSAT test preparation books published through Barron's Educational Series. As President of BWS Education Consulting in Columbus, Ohio, he and his team have guided many students to perfect scores on standardized tests. This extensive study guide reflects his deep expertise and commitment to helping students reach their college goals through rigorous practice and comprehensive review.
2021·876 pages·ACT Prep, Test Preparation, Practice Tests, English Grammar, Mathematics

Drawing from his extensive experience as President of BWS Education Consulting, Brian Stewart offers a meticulously detailed ACT prep guide that goes beyond typical test strategies. You gain six full-length practice exams and exhaustive content reviews that cover every section of the ACT, from English grammar rules to advanced math concepts and science reasoning. The book caters especially to students aiming for top scores by providing targeted practice and clear explanations, with online resources that reinforce learning. If you want a thorough, structured approach grounded in proven tutoring success, this guide delivers exactly that without fluff or shortcuts.

View on Amazon
Best for authentic test experience
ACT is a not-for-profit organization dedicated to assessment and education development, widely recognized for creating the ACT exam. Their deep expertise in testing and workforce readiness underpins this guide, which offers you direct access to official past ACT tests and online practice tools developed by the test creators themselves. This positions you to prepare with confidence, using materials that reflect the exact exam experience.

ACT, the organization behind the ACT exam, crafted this guide to offer you the exact practice materials used in real tests. You get five full-length practice exams with detailed answer explanations, plus bonus online tools to track and tailor your study. The book walks you through improvements introduced in 2020 and covers English, math, reading, science, and writing components. This resource suits students aiming to familiarize themselves with the test structure and sharpen specific skills with authentic questions, rather than general test-taking tips.

View on Amazon
Best for tailored test plans
This AI-created book on ACT mastery is designed around your unique background, skill level, and goals. By sharing which ACT sections you want to focus on and your preparation needs, you receive a tailored study path that emphasizes your strengths and improves your challenges. Personalizing this process makes the vast expert knowledge more accessible and relevant, helping you prepare more efficiently and confidently for the exam.
2025·50-300 pages·ACT Prep, ACT Overview, English Skills, Mathematics Concepts, Reading Strategies

This personalized ACT Mastery Blueprint explores a tailored approach to mastering all sections of the ACT exam. It covers essential skill-building techniques in English, Math, Reading, and Science while focusing on the unique strengths and challenges of each learner. By matching your background and goals, the book reveals targeted pathways for effective preparation and confidence-building. It examines critical concepts and problem-solving methods with clarity and enthusiasm, providing a learning experience that aligns with your specific needs. This tailored guide bridges expert knowledge with your individual journey, making your ACT prep focused, relevant, and efficient.

Tailored Guide
Section Mastery Techniques
3,000+ Books Generated
Best for focused reading skills
The Official ACT Reading Guide stands out as a focused tool created by the ACT organization itself, offering a direct line to the kinds of reading challenges you’ll face on test day. It provides a concept-based outline with real questions organized by type, aiming to sharpen your reading speed and retention. Designed to help students feel confident and well-prepared, this guide zeroes in on the reading section with detailed explanations and strategic tips. If your goal is to strengthen your reading skills within the ACT framework, this book delivers a clear, efficient path forward.
2021·400 pages·ACT Prep, Reading Comprehension, Test Strategies, Question Types, Time Management

What happens when the creators of the ACT themselves provide a guide focused solely on the reading section? This book zeroes in on the types of questions you'll face, offering real ACT reading questions sorted by question type, alongside advice on reading faster and retaining key details. The inclusion of detailed explanations for each official question helps you understand not just what the right answers are, but why they work. If you want a targeted approach that builds your reading skills specific to the ACT format, this guide is designed for you. However, if you’re seeking broader test strategies beyond reading comprehension, this book might feel narrowly focused.

View on Amazon
Best for mastering ACT science section
The Official ACT Science Guide stands apart as a targeted resource developed by the test creators themselves, offering a precise roadmap for navigating the science portion of the ACT. It streamlines your preparation by breaking down the exam's distinct science categories and providing clear strategies for interpreting complex charts and data. Coupled with official sample passages and detailed explanations, this guide helps you focus on the skills that matter most to excel in ACT science. Ideal for students wanting concentrated practice and deeper understanding, it equips you to approach the test with greater assurance and clarity.
2021·384 pages·ACT Prep, Science, Test Strategies, Data Interpretation, Graph Analysis

Drawing from decades of experience creating the ACT exam, ACT's Official Science Guide offers a focused approach to mastering the science section of the test. It breaks down each science reporting category and teaches you how to interpret graphs, charts, and data efficiently—skills essential for the exam's data-heavy passages. You'll find clear explanations of relevant science vocabulary and detailed walkthroughs of official sample questions, helping you build confidence through practice. This guide is best suited for students aiming to sharpen their science reasoning and data interpretation skills rather than for those seeking broader ACT strategies.

View on Amazon
Best for targeted math preparation
The Official ACT Mathematics Guide stands out as an authoritative resource straight from the ACT organization itself. It offers a structured, concept-based approach to preparing for the math section, supported by authentic questions and detailed explanations. This guide is ideal if you want to understand the exact format and content of the ACT math test and prefer practice that mirrors the real exam. By focusing on the math topics and question types you'll encounter, it helps you prepare with clarity and confidence, making it a strong choice for anyone tackling ACT math challenges.
2021·432 pages·ACT Prep, Math, Test Preparation, Question Types, Mathematics Review

The ACT's own expertise shines through in this mathematics guide, crafted specifically to demystify the math section of the ACT. It breaks down the test into clear concepts and question types, offering detailed explanations for every official question, which helps you grasp not just how to answer, but why. The inclusion of an online question pool adds an interactive edge, allowing you to tailor your practice to your needs. If you're aiming to build a solid foundation in the exact math skills tested on the ACT, this guide offers a direct route without distractions. It's well-suited for students who want confidence from authentic practice rather than theory-heavy prep.

View on Amazon
Best for daily score improvement
This AI-created book on ACT improvement is crafted based on your current skill level, subject interests, and goals. You share what ACT areas you want to focus on, and the book is tailored to provide a clear, actionable 30-day plan that fits your learning style. This personalized approach helps you concentrate on what matters most to you, making your preparation more effective and less overwhelming.
2025·50-300 pages·ACT Prep, Daily Practice, Score Improvement, Subject Focus, Time Management

This tailored book explores a focused 30-day plan designed to enhance your ACT scores through targeted, daily practice. Each section examines key ACT subjects, breaking down complex topics into manageable daily actions that align with your existing knowledge and goals. By tailoring content to your background, the book reveals personalized pathways for skill building and timing strategies, making your study time more efficient and effective. The approach provides a clear progression, matching your unique profile and emphasizing continuous, focused improvement over a month. It uncovers how tailored practice can accelerate mastery of ACT essentials, helping you steadily boost confidence and performance in all test sections.

Tailored Guide
Focused Score Boosting
1,000+ Happy Readers
Best for strategic study planning
For 80 years, Kaplan Test Prep has been helping students grow their knowledge, skills, and confidence for Test Day. Kaplan offers preparation for more than 90 standardized tests, establishing them as a trusted authority in test prep. Their experience culminates in this book, which combines expert guidance with extensive practice materials and online tools designed to prepare you thoroughly for the ACT.
2020·876 pages·ACT Prep, Test Strategy, Practice Tests, Math Strategies, Science Reasoning

Unlike most ACT prep books that mainly focus on practice questions, Kaplan Test Prep leverages its 80 years of experience to deliver a broad toolkit combining expert strategies, detailed practice tests, and targeted online resources. You’ll find pre-quizzes to identify your strengths, mixed practice quizzes to reinforce skills, and "On Test Day" tips that emphasize the strategic nature of the ACT math section. The book is designed to help you plan your study effectively with "Reflect" pages after each chapter, ensuring you focus on areas needing improvement. This approach makes it especially helpful if you want a structured path rather than just volume of questions.

View on Amazon
Best for realistic practice tests
Joshua Rueda's ACT Prep Questions Book 2021-2022 offers you a practical way to sharpen your skills with three full-length practice exams paired with detailed explanations. This book stands out by focusing on realistic test simulations and breaking down each answer to help you grasp why it’s correct or incorrect. If you’re preparing for the ACT, it provides essential practice that familiarizes you with the test format and timing, aiming to boost your confidence and performance on test day.
2021·297 pages·ACT Prep, Test Preperation, Test Preparation, Practice Tests, Answer Explanations

After analyzing numerous ACT test patterns and student challenges, Joshua Rueda developed this collection of three full-length practice tests complete with detailed answer explanations. You’ll find not only realistic questions closely mirroring the actual ACT but also strategic insights into test-taking approaches that help optimize your time and accuracy. The book breaks down each section clearly, guiding you through common pitfalls and how to avoid them, making it especially useful if you’re aiming to identify your weaknesses and improve systematically. If you're preparing for the ACT and want a hands-on way to practice under realistic conditions, this book offers straightforward tools without unnecessary complexity.

View on Amazon

Get Your Personal ACT Prep Strategy in 10 Minutes

Stop following generic advice. Gain targeted ACT Prep tactics that fit your unique needs.

Targeted study plans
Focused skill building
Efficient practice methods

Trusted by thousands of ACT Prep enthusiasts and educators

ACT Mastery Blueprint
30-Day Score Surge
ACT Trends Uncovered
Insider ACT Secrets

Conclusion

Across these seven books, you’ll find a blend of official practice materials, focused skill development, and strategic study frameworks. If you struggle most with timing and strategy, "ACT Prep 2021" offers structured planning and reflection tools. For those seeking authentic test experience, the ACT’s Official Prep Guide and subject-specific guides deliver exactly that.

Students aiming to improve in specific sections can dive into the targeted Reading, Science, or Mathematics guides by ACT, while Brian Stewart’s premium study guide offers a thorough review and practice tests for deep mastery. Meanwhile, Joshua Rueda’s questions book provides realistic practice with detailed explanations to build test-day confidence.

Alternatively, you can create a personalized ACT Prep book to bridge the gap between general principles and your specific situation. These books can accelerate your learning journey, helping you approach test day with clarity and confidence.

Frequently Asked Questions

I'm overwhelmed by choice – which book should I start with?

Start with "The Official Act Prep Guide 2020" for authentic practice tests and clear explanations. It gives you a solid foundation on the ACT's format and question types before diving into section-specific guides.

Are these books too advanced for someone new to ACT Prep?

Not at all. Books like "ACT Prep 2021" include strategic study plans that help beginners build skills gradually, while official guides explain concepts clearly with real test questions.

What’s the best order to read these books?

Begin with the overall official prep guide for broad familiarity, then focus on section guides like Reading or Math based on your weaknesses. Supplement with Stewart’s or Kaplan's comprehensive guides for deep practice.

Do I really need to read all of these, or can I just pick one?

You can pick based on your goals. If you want full coverage, Brian Stewart’s guide is thorough, but for targeted practice, choose the official subject guides or Joshua Rueda’s practice questions book.

Which books focus more on theory vs. practical application?

The official ACT guides focus on practical application with real test questions and explanations. Brian Stewart’s book balances theory with practice, offering detailed reviews and strategies.

Can I get a study plan tailored to my needs instead of generic advice?

Yes! While these books provide solid guidance, creating a personalized ACT Prep book can align strategies precisely to your strengths, goals, and schedule, complementing expert insights perfectly. Explore personalized ACT Prep books.

📚 Love this book list?

Help fellow book lovers discover great books, share this curated list with others!