15th edition. — Wiley, 2015. — 840 p. — (Official Guide for GMAT Review). — ISBN10: 1119042488; ISBN13: 978-1119042488.
Ace the GMAT(R) with the only official study guide from the creators of the exam With 25% brand new content, The Official Guide for the GMAT Review 2016 delivers more than 900 retired questions from the official GMAT(R) exam, complete with answer explanations and a 100-question diagnostic exam to help focus your test preparation efforts. Also includes exclusive online resources: * Build your own practice tests with the exclusive online question bank of 900 questions, with answers and explanations, math review, essay topics and a diagnostic test, as well 50 integrated reasoning questions * Exclusive access to videos with insight and tips on GMAT preparation from previous test-takers and from the officials who create the test