<p>What's the best ACT prep. book that helped you guys the most? I'm looking to purchase the "Real ACT Prep Guide," it's the red book. What's the one you guys saw results with?</p>
<p>many threads already on this --></p>
<p>Real ACT - comparable to real ACTs
Kaplan - comparable to real ACTs
Barron's - significantly harder than real ACTs
Princeton Review - a little harder than real ACTs</p>
<p>and for some easy practice:</p>
<p>McGraw-Hill's - a little easier than real ACTs</p>