The Princeton Review Cracking the AP Calculus AB Exam 2020 1st Ed Study Guide by David S. Kahn is a comprehensive study guide specifically designed for high school students looking to prepare for the AP Calculus AB exam. Published by Penguin Random House in 2019, this book offers valuable insights and explanations to help students master the concepts of calculus and math required for the exam. With a focus on the 2020 edition, this study guide covers essential topics and strategies to help students excel in their AP Calculus AB exam.