In his early twenties, the Tibetan monk Sangye Gyaltsen (1452-1507) left his monastery to become a wandering tantric yogin. As he moved from place to place, seeking enlightenment beyond the bounds of monasticism, his behavior became increasingly erratic. While some were shocked or even angered by his actions, others were drawn to him. Tsangnyon's followers described his transgressive behaviors as enlightened action, rooted in authoritative Buddhist scripture. Using biographical sources, Stefan Larsson explores Sangye Gyaltsen's transformation into the charismatic 'Madman of Tsang, ' Tsangnyon...