Question: Who was a non-fiction writer, Isaac Bashevis Singer or Alvin Toffler
Sentence (from "Isaac Bashevis Singer"): He was also awarded two U.S. National Book Awards, one in Children's Literature for his memoir "A Day Of Pleasure: Stories of a Boy Growing Up in Warsaw" (1970) and one in Fiction for his collection "A Crown of Feathers and Other Stories" (1974).
Relevant evidence: Yes