The Official ACT Prep Guide

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The comprehensive guide to the 2019-2020 ACT® test, with 5 genuine, full-length practice tests and 400 additional questions online.

This 2019-2020 guide includes five actual ACT tests — all of which contain the optional writing test — that you can use to practice at your own pace. To help you review test subjects and improve your understanding, this guide provides clear explanations for every answer. You'll also get practical tips for boosting your score on the English, math, reading, and science tests, as well as the optional writing test. Additionally, you can access 400 more practice questions online through the access code provided in the guide.


  • The only guide to include real ACT Tests
  • 5 full-length official practice tests
  • 400 additional online practice questions
  • Updated writing prompts and directions