This book is the comprehensive guide to this year's ACT test, with reall full-length practice tests. The Official ACT Prep Guide is the bestselling resource for students getting ready to take the ACT® test. Step by step, it walks you through the entire test experience, from registration to your Score Report, and provides you with effective test-taking strategies. The guide includes three actual ACT tests -- all of which contain the optional writing test -- that you can use to practice at your own pace. To help you better review test subjects and improve your understanding, the guide provides clear explanations for every answer and ideas for boosting your score on the English, math, reading, and science tests as well as the optional writing test. Filled with expert advice from the test's creators on preparing both mentally and physically, the guide also helps you: Review the entire content of the ACT so you'll know what to expect; Understand the procedures you'll follow when you're taking the ACT; Be ready for the types of questions you can expect to find on the test; Adopt test-taking strategies that are right for you. By using the strategies outlined in The Official ACT Prep Guide, you can feel comfortable and confident that you're prepared to do your best on test day. - Back cover.