9LSAT Logical Reasoning: Question Type Training provides you with every Logical Reasoning question from LSAT PrepTests 1 through 20. It is the only book available with questions grouped according to the PowerScore classification system, used in the LSAT Logical Reasoning Bible and in PowerScore LSAT courses worldwide. The book includes full chapters of each of the thirteen question types, as well as compilations of questions dealing with Conditional Reasoning, Causal Reasoning, Formal Logic, Numbers and Percentages, and Principles. Containing nearly 1000 questions in all, including hard-to-find questions from the early PrepTests, this book is an ideal training tool to increase your LSAT Logical Reasoning score.