GMAT 800 offers high-achieving students the toughest practice questions, hardest concepts, and strongest strategies to help them prepare for the GMAT. The guide includes: * NEW! Online companion with intensive math concepts review and practice drills! * Hundreds of the toughest practice questions with strategic explantions * Tips for getting the questions right on test day * Focused guidelines for tackling each question type * Proven strategies for getting a perfect score * Special step-by-step methods for special question types