Using AP review books is an efficient way of studying for the AP test. It helps you focus on the important topics, familiarize with the test format, and answer practice questions. But, with countless AP review books being sold, how would you know which one is the best?

To help you with that problem, we rounded up the best AP books you can purchase right now and come up with this list featuring review books for different subjects. These are books that have gathered a lot of positive reviews and have become highly recommended by several AP teachers and tutors. If you are unsure which one to get that can help you ace the exam, you can always review this list of review books you can count on.

Cracking the AP Chemistry Exam, 2017 Edition

To get a good grade on the AP Chemistry exam, you need to be good at working with equations and formulas. That is exactly what this review book will help you with. It has a thorough discussion of very important topics, a short drill that you can practice answering at the end of every chapter, and two full-length practice tests at the end of the book.

Plus, it gives you access to AP Connect, where you can get up-to-date information about any alterations in the exam.

Barron’s APUSH Book, 3rd Edition

The best thing about this book is that it is written according to the Key Concepts provided by the College Board – that means it includes all the essential things you need to study for the APUSH exam. At the end of the book, there are two full-length exams that are answered and explained.

Preparing for the Biology AP Exam, 5th Edition

When it comes to discussing essential topics, this book does not disappoint. It focuses on the important details and skips the unnecessary facts that most Biology students think they should memorize. At the end of each chapter, you will find a quick review box which contains an outline, so you can do a quick review before answering practice questions.

5 Steps to AP Psychology 2017

Unlike other AP Psychology review materials, this one goes beyond just what you need to know for the test. It clearly explains all the essential topics and helps you grasp the ideas better by connecting them with other concepts.

APES Environmental Science Crash Course Book

This review book is very straightforward. True to its title, it gives you a detailed review on everything you need to know for the test, nothing else. This makes the book very easy to understand and a very useful material for those who want to study fast.

These AP books are some of the best in their field, but you can always look for other options. If you have enough time to study, you can use multiple books to make sure you have sharpened your skills and memory, and you are ready to take the test. You can check out this website for more detailed reviews of the books on this list and other options you can have.