Succinct, easy to read, engaging, and highly effective-the highly regarded Secrets Series® provides students and practitioners in all areas of health care with focused, engaging resources for quick reference and exam review. Written by nationally recognized educators Drs. Theodore X. O'Connell and Ryan A. Pedigo, USMLE Step 1 Secrets in Color, 5th Edition, offers practical, up-to-date coverage of the full range of topics on this high-stakes exam. This bestselling resource features the Secrets' popular question-and-answer format that prepares you with the understanding of critical concepts of basic science as applied to the practice of medicine, which you'll face on the vignette-style USMLE exam.