John Steinbeck allowing Steinbeck to spend a full day on the set of "The Grapes of Wrath" and the next day on the set of "Of Mice and Men." In the 1930s and 1940s, Ed Ricketts strongly influenced Steinbeck's writing. Steinbeck frequently took small trips with Ricketts along the California coast to give himself time off from his writing and to collect biological specimens, which Ricketts sold for a living. Their joint book about a collecting expedition to the Gulf of California in 1940, which was part travelogue and part natural history, published just as the U.S. entered World War II, never
John Steinbeck decades. Another film based on the novella was made in 1992 starring Gary Sinise as George and John Malkovich as Lennie. Steinbeck followed this wave of success with "The Grapes of Wrath" (1939), based on newspaper articles about migrant agricultural workers that he had written in San Francisco. It is commonly considered his greatest work. According to "The New York Times", it was the best-selling book of 1939 and 430,000 copies had been printed by February 1940. In that month, it won the National Book Award, favorite fiction book of 1939, voted by members of the American Booksellers Association. Later