This is the only official study guide from the creators of the test and delivers more than 900 retired GMAT(R) questions and answer explanations and a 100- question diagnostic exam to help focus your test preparation efforts. NEW to The Official Guide for GMAT(R) Review 2015: * Access to the online Question Bank including more than 900 practice questions of all types with answers and explanations, math review, essay topics, and a diagnostic test, as well as access to 50 online integrated reasoning questions. * Exclusive access to videos from real test takers and GMAC staff who share insight and tips on GMAT(R) preparation....