<p>I don't know if someone posted this before but I'm severely disappointed with the CD Kaplan offers with their book. They didn't tell me that the practice tests from the CD would occasionally offer the exact same questions/passages from the book. Additionally, there are various mistakes on the CD, especially in the English section. Coming from a professional company, this is kind of disheartening and makes you doubt the authenticity of all of their answers. </p>
<p>However, I found the book Kaplan offers to be decent and the organization of their tips is pretty good. I'd probably rate it third after real act guide and then princeton.</p>