The Perfect Guide for O Level Biology, 2nd Edition is a study guide designed to prepare students to take the GCE O Level Biology Examination. It features specific links to the Biology Matters textbook for easy studying, though there are variations in the order and sequence of topics. Study notes (often with illustrations), definitions, common errors, exam tips, and worked out questions with analysis of the answers are included. Each topic is followed by a test containing both multiple choice questions and structured questions (with answers) and a "test yourself" section; Revision Paper and Trial Examination provide additional practice. An appendix with full color charts is included. 396 pages, softcover. Grades 9-10.