<p>What is the best book for ACT preparation?</p>
<p>Kaplan or Princeton Review</p>
<p>the real act book is the best.</p>
<p>Don't get sparknotes...it's pretty awful and just plain sloppy.</p>
<p>It doesn't matter, you can read the Sparknotes SAT/ACT online for free, at their website.</p>