Prep books for ACT

Test Preparation ACT Preparation
1

<p>I know this question has been asked a million times, but I’m going to ask it based on what might be best for me.
My scores are below:
E: 31
M: 36
R: 25
S: 31
Essay: 10
Comp: 31</p>

<p>E: 32
M: 35
R: 28
S: 29
Essay: 10
Comp: 31</p>

<p>What books would be best to improve my scores and why? Thank you for any help.</p>

2

<p>Have you tried the official ACT guide for the practice tests? Those are pretty useful.</p>