Book excerpt: The Sentence Correction Guide takes the guesswork out of grammar by presenting every major grammatical principle and minor grammatical point tested on the GMAT. Don’t be caught relying only on your ear; master the rules for correcting every GMAT sentence. Each chapter builds comprehensive content understanding by providing rules, strategies, and in-depth examples of how the GMAT tests a given topic and how you can respond accurately and quickly. The Guide contains a total of 187 “In-Action” problems of increasing difficulty with detailed answer explanations. The content of the book is aligned to the latest Official Guides from GMAC (12th edition). Purchase of this book includes one year of access to Manhattan GMAT’s online practice exams and Sentence Correction question bank.