This official guide for GMAT[registered] is the only book on the market written by the creators of the GMAT[registered] exam. With real GMAT[registered] questions from previous GMAT[registered] exams, this new edition contains more than 800 multiple-choice questions, plus a brand-new diagnostic section to help you pinpoint your skill level so you can focus your test preparation. The features include: more than 800 practice questions with answers and detailed explanations; new grammar review covering concepts tested on the GMAT[registered] Verbal section; comprehensive math review of the topics tested on the GMAT[registered] Quantitative section; actual essay topics, sample responses, and scoring information; insights into the GMAT[registered] exam that debunk test-taking myths; and real questions from past GMAT[registered] tests. Features new to this edition are: diagnostic section helps you assess where to focus your test-prep efforts; organization of questions in order of difficulty saves study time; and the only study guide with 800 real GMAT[registered] questions - and their answers - by the creators of the test. GMAC[registered], GMAT[registered], GMAT CAT[registered], Graduate Management Admission Council[registered] and Graduate Management Admission Test[registered], are registered trademarks of the Graduate Management Admission Council[registered] (GMAC[registered]).