Book excerpt: Adapting to the ever-changing GMAT exam, Manhattan Prep’s 6th Edition GMAT Strategy Guides offer the latest approaches for students looking to score in the top percentiles. Written by active instructors with 99th-percentile scores, these books are designed with the student in mind. Always study with the most up-to-date prep! Look for All the GMAT, ISBN 9781506219707, on sale September 3, 2019. The updated 3-book set is a streamlined version of the content in the Complete GMAT Strategy Guide Set. You’ll get access to 6 online practice tests, extra chapters online for advanced content, test-taking strategies from our top tier teachers, and more. Publisher's Note: Products purchased from third-party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitles included with the product.