This best selling AP Environmental Science study guide includes:<li>A new diagnostic test to pinpoint the test taker's strengths and weak areas</li><li>Two full-length practice exams with all questions answered and explained</li><li>A detailed review of all test topics, with practice questions and answers</li><li>An overview of the test plus helpful test-taking strategies</li><li>Hundreds of diagrams and illustrations<br>The book can be purchased alone or with an optional CD-ROM that presents two additional full-length practice tests with answers and automatic scoring.<br><br><b>BONUS ONLINE PRACTICE TEST</b>: Students who purchase this book or package will also get FREE access to one additional full-length online AP Environmental Science test with all questions answered and explained.</li>