THE APPROACH: The approach used in this book is a systematic, skill-building methodology, one that begins with a simple presentation of skills in the lessons and ends with tests that consist of GMAT-style questions at the difficulty level of the actual test. This is an approach that has been tried out over decades, and it is an approach that works In each lesson, one skill is presented using examples containing easier language than the language found on a GMAT to ensure that the targeted skill is clear. A skills practice exercise follows each skill presentation, using language that is at the difficulty level of the GMAT but is in a single-sentence format that makes the practice easier than GMAT-style questions. The materials then progress to GMAT-style skills practice exercises that are at the level of the actual test but cover only the material from that particular lesson. Thorough explanations follow each skills practice exercise and each GMAT-style practice exercise. After all the individual lessons have been mastered, GMAT-style tests are presented. These GMAT-style tests contain questions that cover points from each of the lessons. These questions are at the difficulty level of the GMAT and contain the same selection of skills as the GMAT. Thorough explanations follow each skills practice exercise and each GMAT-style test. THE CONTENTS: The book includes a lesson section and a test section. The lesson section includes twelve individual lessons (Nouns, Pronouns, and Possessives, Agreement, Parallelism, Comparisons, Verbs, Modifiers, Sentences, Wordiness, Awkwardness, Diction, Idioms, and Clarity) that are based on an exhaustive study of the points tested on official released GMAT tests; any point that appears on this list has appeared numerous times on official released versions of the test. Each of the twelve lessons includes a presentation, a skills practice exercise with thorough explanations, and a GMAT-style practice exercise with thorough explanations. The test section includes six GMAT-style tests with twelve questions in each (Test 1, Test 2, Test 3, Test 4, Test 5, and Test 6) with thorough explanations for each correct and incorrect answer.