At 28,251 feet, the world's second-tallest mountain, K2 thrusts skyward out of the Karakoram Range of northern Pakistan. Climbers regard it as the ultimate achievement in mountaineering, with good reason. Four times as deadly as Everest, K2 has claimed the lives of 77 climbers since 1954.

In August 2008, 11 climbers died in a single 36-hour period on K2 - the worst single-event tragedy in the mountain's history and the second-worst in the long chronicle of mountaineering in the Himalaya and Karakoram ranges. Yet summiting K2 remains a cherished goal for climbers from all over the globe.

Before he faced the challenge of K2 himself, Ed Viesturs, one of the world's premier high-altitude mountaineers, thought of it as "the holy grail of mountaineering". In K2: Life and Death on the World's Most Dangerous Mountain, Viesturs explores the remarkable history of the mountain and of those who have attempted to conquer it. At the same time he probes K2's most memorable sagas in an attempt to illustrate the lessons learned by confronting the fundamental questions raised by mountaineering - questions of risk, ambition, loyalty to one's teammates, self-sacrifice, and the price of glory.

Viesturs knows the mountain firsthand. He and renowned alpinist Scott Fischer climbed it in 1992 and were nearly killed in an avalanche that sent them sliding to almost certain death. Fortunately, Ed managed to get into a self-arrest position with his ice ax and stop both his fall and Scott's.