Pre-Test Series Review Books for Step 1 – All are in PDF Format – These are older editions, but most were published in 2004-2005.This is the guy who wrote “Rapid Review – Pathology.” A way to review of Pathology for Step 1. More Pre-Test PDF Files – these are all more relevant for Step 2, however.These books are organized just as a series of multiple choice questions, with in depth answers at the end of each chapter.