Score higher with this new edition of the bestselling AP Biology test-prep book Revised to even better reflect the AP Biology exam this AP Biology test-prep guide includes updated content tailored to the exam administered every May. Features of the guide focus on what AP Biology test-takers need to score high on the exam: Reviews of all subject areas In-depth coverage of the all-important laboratory investigations Two full-length model practice AP Biology exams Every review chapter includes review questions and answers to pinpoint problem areas.