The Official Guide is your must-have study guide that features Verbal, Quantitative, and Integrated Reasoning questions types. New to this edition is exclusive access to videos from real test takers and GMAC staff who share insight and tips on GMAT preparation. The Official Guide for GMAT Review 2015 features a print guide with 900 practice questions of all types with answers and explanations, math review, essay topics, and a diagnostic test. In addition, you have six months’ access to a new online study companion that includes the same 50 Integrated Reasoning questions and answer explanations; 100-question diagnostic exam to help focus your test preparation efforts; grammar review covering concepts tested on the GMAT Verbal section; and comprehensive math review covering concepts tested on the GMAT Quantitative section as included in the book.