Name: Guildford PostlethwaitOccupation: Ethnographer, best-selling author, popular lecturer. Charlatan.Published works: Reflections on Fieldwork Among the Tuba. The Purple Snows of Kashmir. Life with the Yak-Herders of Samoa. Tanganyikan Tiger-Hunting Rituals. In Marco Polo’s Footsteps: Retracing a Spaniard’s Discovery of the West Indies.