PowerScore LSAT Logical Reasoning Bible (2018 Edition) by David M. Killoran. One of the most popular LSAT prep resources available. This book provides a comprehensive system for approaching the Logical Reasoning section of the LSAT. Condition: • Very good condition • Pages clean and intact • No missing pages • Smoke-free home Perfect for anyone studying for the LSAT or looking to strengthen logical reasoning skills. Ships quickly and carefully packaged.