A classic account of exploration and endurance from the bestselling author of The Wayfinders. In this magisterial work of history and adventure, based on more than a decade of prodigious research in British, Canadian and European archives, and months in the field in Nepal and Tibet, Wade Davis vividly re-creates British climbers' epic attempts to scale Mount Everest in the early 1920s. With new access to letters and diaries, Davis recounts the heroic efforts of George Mallory