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 asocial individuals who, in their wild revels, are almost caricatures of King Arthur's Knights of the Round Table. It has been said that in the United States this book came as a welcome antidote to the gloom of the then prevailing depression." "Tortilla Flat" was adapted as a 1942 film of the same name, starring Spencer Tracy, Hedy Lamarr and John Garfield, a friend of Steinbeck. With some of the proceeds, he built a summer ranch-home in Los Gatos. Steinbeck began to write a series of "California novels" and Dust Bowl fiction, set among common people during the Great Depression.