The Log from the Sea of CortezA Penguin Classic In the two years after the 1939 publication of Steinbeck's masterful The Grapes of Wrath, Steinbeck and his novel increasingly became the center of intense controversy and censorship. In search of a respite from the national stage, Steinbeck and his close friend, biologist Ed Ricketts, embarked on a month long marine specimen collecting expedition in the Gulf of California, which resulted in their collaboration on the Sea of Cortez.