In Your Pocket, is a high yield rapid review book designed to master each individual section of the USMLE examination. This book series is subject based and allows you to focus on the epidemiology/biostatistics section of the USMLE. This book also includes preventive medicine and ethics. The book will provide you with the most detailed information with a step-by-step systematic approach for the epidemiology section. We can guarantee your preparation with In Your Pocket.