For many of the 40 million Americans who undergo it each year, anesthesia is the source of great fear and fascination. In Counting Backwards, pediatric anesthesiologist Dr. Henry Jay Przybylo delivers an unforgettable account of the procedure's daily dramas and fundamental mysteries. Przybylo has administered anesthesia more than 30,000 times over his thirty-year career: on newborn babies, screaming toddlers, sullen teenagers, even a gorilla. Filled with intense moments of near-disaster, life-saving successes, and simple grace, Counting Backwards is for anyone curious about what happens after we lose consciousness.