8The PowerScore GMAT Sentence Correction BibileTM is a complete guide that teaches the grammar, style, and diction required to successfully attack GMAT Sentence Correction questions. This book is teeming with tips and tricks and includes an entire section on strategy. With dozens of examples, over 140 practice questions, and detailed explanations, the Sentence Correction BibleTM is the ultimate resource for gaining an edge on the GMAT.