The PowerScore LSAT Logic Games Bible (Powerscore LSAT Bible) 2015 edition by David M. Killoran (2014) Paperback

Dave Killoran, a graduate of Duke University, is an expert in test preparation with over 20 years of teaching experience and a 99th percentile score on a Law Services-administered LSAT. In addition to having written PowerScore's legendary LSAT Bible Series, and many other popular publications, Dave has overseen the preparation of thousands of students and founded two national LSAT preparation companies.