In 1977, Jack Roberts, a California "Stone Master" and experienced young alpinist, met Simon McCartney, a highly motivated 22-year-old Brit who had cut his teeth climbing in Europe with some of the most respected mountaineers of the time. Over the next three years, the pair enjoyed a magical partnership during which they completed two of the boldest and most audacious climbs in the history of Alaskan alpinism. Then McCartney disappeared from the climbing...