I took this book out of the library because the cover didn't look stuffy and boring. It gives many tips and practice problems that are relevant to the SAT. The book is
SAT Math for the Clueless: Second Edition by Robert Miller. You can get it on Amazon,
http://www.amazon.com/Bob-Millers-SAT-Math-Clueless/dp/0071452877/ref=sr_1_1?s=books&ie=UTF8&qid=1320077356&sr=1-1