“It is a beautiful hand: strong, with long, slender fingers and smooth skin, its nails ridgeless and pink. If you didn’t know Jonathan Koch—if you first met him, say, on the courts at the Calabasas Tennis & Swim Club—you might not suspect that his hand previously belonged to someone else.”

At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental procedure to get a new one.

The doctors, patient, and ethics behind the experiment.

How the Baylor University Medical Center became a force in the heart transplant business.

The story of a transplant from a 26-year-old bike mechanic to a 41-year-old fireman with severe burns.