Our popular guide is packed with new features for the more than 148,000 LSAT takers Two complete interactive practice tests online and four in the book. New eight-page Welcome section on "How to Use This Book," "LSAT Study Plan," and more. Complete coverage of the components of a logical argument and common logic flaws. Curvebreakers (Cambridge, MA) is a group of current or former Harvard Law students who scored in the top percentile on the LSAT.