This is the only official study guide from the creators of thetest and delivers more than 900 retired GMAT® questions andanswer explanations and a 100- question diagnostic exam to helpfocus your test preparation efforts. NEW to The Official Guide for GMAT® Review 2015: Access to the online Question Bank including more than 900practice questions of all types with answers and explanations, mathreview, essay topics, and a diagnostic test, as well as access to50 online integrated reasoning questions. Exclusive access to videos from real test takers and GMAC staffwho share insight and tips on GMAT® preparation.