The Grapes of Wrath is an American realist novel written by John Steinbeck and published in 1939. The book won the National Book Award and Pulitzer Prize for fiction, and it was cited prominently when Steinbeck was awarded the Nobel Prize in Literature in 1962. No. 1 on The New York Times Fiction best seller list for 1 week, from the issue of October 16, 1939. Wiki link