Book excerpt: Rated “Best of the Best” in ACT Prep Books by BestReviews, May 2019 Manhattan Prep’s 5 lb. Book of ACT Practice Problems is packed with over 1,800 practice problems covering all topics on the exam. Developed by our expert instructors, this guide helps you build fundamental skills through targeted practice so you can score higher. Practice problems mirror those found on the actual ACT in content, form, and style. Covering every topic within English, Math, Reading, Science, and Writing, the problems are organized into practice sets and come with step-by-step explanations and in-depth guidance. A diagnostic test helps you identify strengths and zero in on any weaknesses, while progress trackers and topical grading sheets help you stay motivated. You’ll also get one-year access to additional resources online, including supplemental practice questions, science vocabulary, and more.