Spanish CLEP Test

<p>I'm taking the Spanish CLEP test at the end of this month and I need to know some good study guides/materials to use. I need to get at least a 54 on it, and this is the last chance I have to take it for this semester. Can someone help me out? I'm committed to devoting all my free time to studying for it.</p>

<p>BTW, I'm a non-native speaker.</p>