"Blue Book" for ACT

<p>For the SAT, the best predictor of your SAT score from practice tests comes from the Blue Book, made by test creators themselves. So my question: is there a "Blue Book" per se for the ACT? Whose tests are the most accurate in predecting future scores for the ACT?</p>

<p>The Real Act Prep Guide</p>

<p>Yep, the “red book” aka “the real act prep guide” as stated above</p>

<p>Ok thanks guys!</p>