Manhattan Prep's 4th Edition GRE Strategy Guides have been redesigned with the student in mind. With updated content and new practice problems, they are the richest, most content-driven GRE materials on the market. Manhattan Prep's 4th Edition GRE Strategy Guides have been redesigned with the student in mind. With updated content and new practice problems, they are the richest, most content-driven GRE materials on the market. âe‹Written by Manhattan Prep's high-caliber GRE instructors, the GRE Geometry strategy guide equips you with powerful tools to comprehend and solve every geometry problem on the GRE. Refresh your knowledge of shapes, planes, lines, angles, objects, and more. Learn to understand the concepts and grasp their applications, mastering not only fundamental geometric principles, but also nuanced strategies for tackling the toughest questions. Each chapter provides comprehensive coverage of the subject matter through rules, strategies, and in-depth examples to help you build confidence and content mastery. In addition, the Guide contains "Check Your Skills" quizzes as you progress through the material, complete problem sets at the end of every chapter, and mixed drill sets at the end of the book to help you build accuracy and speed. All practice problems include detailed answer explanations written by top-scorers!