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 and Carol moved back to Pacific Grove, California, to a cottage owned by his father, on the Monterey Peninsula a few blocks outside the Monterey city limits. The elder Steinbecks gave John free housing, paper for his manuscripts, and from 1928, loans that allowed him to write without looking for work. During the Great Depression, Steinbeck bought a small boat, and later claimed that he was able to live on the fish and crab that he gathered from the sea, and fresh vegetables from his garden and local farms. When those sources failed, Steinbeck and his wife accepted welfare, and