Looking for the Best ACT Book for you to use to study for your ACT Test in 2019? You'll want to study using the official ACT Prep Guide to study.

The Official ACT Prep Guide is the only guide from the makers of the exam and includes actual ACT test forms (taken from past ACT exams).

Being the only guide from the ACT organization, the makers of the exam, revised and updated with 4 genuine, full-length practice tests and 400 additional questions online.