This revised and updated test prep manual prepares high school students for the PSAT -- the preliminary version of the SAT college entrance exam -- with features that include: A diagnostic test with answers to help test takers pinpoint areas that need extra study Four full-length model tests with answers and explanations Study advice and test-taking tips and strategies Subject reviews covering critical reading, math, and writing skills Hundreds of additional practice questions with answers in all subjects The book can be purchased alone or with an optional CD-ROM that presents two additional full-length practice tests with automatic scoring and fully explained answers.