sentences:  The book is credited with introducing the concept of a zombie to popular culture.Seabrook had a lifelong fascination with the occult practices of satanism and Haitian Vodou, which he witnessed and described firsthand both in Third World countries, as documented in "The Magic Island" (1929), and "Jungle Ways" (1930).He later concluded that he had seen nothing that did not have a rational scientific explanation, a theory which he detailed in "Witchcraft