When Jon Krakaber reached the summit of Mt.Everest in the early afternoon of May 10, 1996, he hadn't slept in fifty-seven hours and was reeling from the brain-altering effects of oxygen depletion. As he turned to begin the perilous descent from 29,028 feet (roughly the cruising altitude of an Airbus jetliner), twenty other climbers were still pushing doggedly to the top, unaware that the sky had begun to roil with clouds...In this definitive account of the deadliest season in the history of Everest, Jon Krakauer takes the reader step-by-step from Katmandu to the mountain's deadly pinnacle, unfolding a breathtaking story that will by turns thrill and terrify.