Scott Fischer, world-class mountain climber, led one of the tragic Mount Everest expeditions documented in the NYT bestseller Into Thin Air. Fischer died during the climb, but little was said about the 40 years of his life that led up to those final dramatic days. Mountain Madness is the first and only biography of this internationally famous mountain climber, written by a close friend, Robert Birkby, who knew him well and climbed with him on many...