The official Guide is your must-have study guide that features Verbal, Quantitative, and integrated Reasoning questions types. The official Guide for GMAT review 2021 features over 950 Practice questions of all types with answers and explanations, math review and essay topics. In addition, you have access to an online study companion that includes the same practice questions and integrated Reasoning questions and answer explanations, new online flash cards and 150 plus additional questions. A mobil app that allows access to the online test Bank to practice-on-the go. This online question Bank allows you to create practice tests from the over 950 retired GMAT questions featured in the book, as well as exclusive videos from real test takers and GMAT Staff who share insight and tips on GMAT preparation.