John Steinbeck called him a "Giant of American Letters". Despite ongoing attacks on his literary reputation, Steinbeck's works continue to sell well and he is widely taught in American and British schools as a bridge to more complex literature. Works such as "Of Mice and Men" are short and easy to read, and compassionately illustrate universal themes that are still relevant in the 21st century. Steinbeck grew up in California's Salinas Valley, a culturally diverse place with a rich migratory and immigrant history. This upbringing imparted a regionalistic flavor to his writing, giving many of his works a distinct sense of place.
John Steinbeck who would go on to write a classic early textbook on ecology. Ricketts became a proponent of ecological thinking, in which man was only one part of a great chain of being, caught in a web of life too large for him to control or understand. Meanwhile, Ricketts operated a biological lab on the coast of Monterey, selling biological samples of small animals, fish, rays, starfish, turtles, and other marine forms to schools and colleges. Between 1930 and 1936, Steinbeck and Ricketts became close friends. Steinbeck's wife began working at the lab as secretary-bookkeeper. Steinbeck helped on an informal basis.