Book excerpt: Wilderness Medicine: What To Do When You Can't Call 911 provides both basic and in-depth information on how to recognize, treat, and manage both common injuries and illnesses as well as life-threatening conditions when professional emergency medical care is an hour away or more. Designed for those who work or travel in remote locations, this comprehensive guide will teach you what to look for, what to do in the event of an emergency, and then help direct you in the most appropriate type of care. This book is used as the course textbook for the Wilderness First Aid, Wilderness First Responder, and Wilderness EMT classes taught by Center for Wilderness Safety - online at www.wildsafe.org.