This document summarizes and provides details about the BRS Physiology book and audio CD. It is the leading physiology book for medical students to use in their first and second years of school. The book provides a concise yet comprehensive review of all essential physiology concepts. It includes over 350 clinical case-style multiple choice questions to help students prepare for course exams and the USMLE Step 1. The audio CD allows students to download audio files to assist with review. The book is authored by Linda S. Costanzo, PhD and utilizes illustrations, flowcharts, and tables to effectively communicate complex physiology topics. It offers chapter overviews, summaries, and detailed answer explanations for the multiple choice questions to maximize learning and preparation.