Master the Boards USMLE Step 3 6th Ed by Conrad Fischer is a comprehensive textbook published by Kaplan Publishing in 2020. This trade paperback edition covers a wide range of medical subjects, making it an essential resource for students and professionals alike. With 608 pages, this textbook provides in-depth education and training, focusing on diagnosis and test preparation. Written in English by author Conrad Fischer, this book is a valuable tool for those seeking to master the USMLE Step 3 exam.