- Ace the ACT, Kelly C. Roell, M.A., America's top ACT expert
- Cliffsnotes ACT cram plan, William Ma, Jane R. Burstein, and Nichole Vivion
- War craft, the Sunwell trilogy, written by Richard A. Knaak ; illustrated by Jae-Hwan Kim
- Math secrets for the SAT and ACT, by Richard F. Corn
- McGraw-Hill's top 50 skills for a top score, ACT math, Brian Leaf
- Cracking the ACT premium
- The official ACT prep pack
- ACT demystified, Alexandra Mayzler and Joseph Daniele
- ACT English, reading, and writing workbook, Linda Carnevale
- Arco everything you need to score high on the ACT
- McGraw-Hill's 10 ACT practice tests
- Math study guide for the SAT®, ACT®, and SAT® subject tests
- ACT for busy students, 15 simple steps to tackle the ACT
- McGraw-Hill's ACT
- Cracking the ACT
- Barron's ACT premium study guide
- ACT strategies for super busy students, 15 simple steps to tackle the ACT while keeping your life together
- Barron's ACT
- ... ACT practice questions
- Peterson's panic plan for the ACT, in just 2 weeks
- Peterson's ACT prep guide, the ultimate guide to mastering the ACT
- English and reading workout for the ACT, the staff of the Princeton Review
- The real ACT prep guide
- ACT 36, aiming for the perfect score
- CliffsNotes ACT cram plan, William Ma, Jane R. Burstein, and Nichole Vivion
- ACT, power practice, [editor, Marco A. Annunziata]
- McGraw-Hill's 500 ACT English and reading questions to know by test day, Charles Goudiss
- ACT math & science prep
- Barron's ACT
- ACT 2015, 6 practice tests with 12 expert video tutorials
- ACT prep
- Van Von Hunter, by Ron Kaulfersch and Mike Schwark
- Barron's ACT math and science workbook, Roselyn Teukolsky, M.S., Ithaca High School, Ithaca, New York
- 500 ACT English and reading questions to know by test day, Anaxos, Inc
- ACT math for dummies, by Mark Zegarelli
- Master the ACT assessment
- Acing the ACT, an elite tutor's guide to tricky questions and secret strategies that make a big difference, Elizabeth King
- ACT, strategies, practice, and review
- ACT for dummies, by Lisa Zimmer Hatch, MA and Scott A. Hatch, JD
- Gruber's complete ACT guide
- In-a-flash math
- ACT for dummies, by Lisa Zimmer Hatch and Scott A. Hatch