Tengu In Japanese mythology, the Tengu is the most terrible of all demons: a living force of evil that infects its followers with the mad strength of the berserk and the capacity to survive attack from any weapon. Now the demon is unleashed in a diabolical plot to wreak vengeance on America for the mega-destruction of Hiroshima... Graham Masterton was born in Edinburgh in 1946. After training as a newspaper reporter, Graham went on to edit the new British men's magazine Mayfair. At the age of 24, Graham was appointed executive editor of both Penthouse and Penthouse Forum magazines. Graham Masterton's debut as a horror author began with the wildly popular The Manitou in 1976. Altogether Graham has written more than a hundred novels ranging from thrillers and horror, to disaster novels and historical sagas, as well as four short story collections. He lives in Surrey, England.