One highly recommended review book for AP US History is "AP U.S. History Prep Plus 2020 & 2021" by Kaplan Test Prep. This book provides comprehensive coverage of all the topics tested on the AP US History exam, including key concepts, events, and historical figures. It also includes practice questions, detailed explanations, and test-taking strategies to help students prepare effectively for the exam. Additionally, the book comes with access to online resources such as practice tests and flashcards. Overall, it is a valuable resource for students looking to achieve a high score on the AP US History exam.