Ever sustained a knee injury? Want to prevent one? Whether you're young and actively involved in sports, an enthusiastic weekend warrior, or someone who's simply getting older and whose body is changing, The Knee Crisis Handbook by Brian Halpern, M.D. will show you how to take care of your knees. You'll learn what to do if you sustain an injury, how to prevent a repeat injury, and how to help yourself avoid injury in the first place. Inside you'll...