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 Wrath", in which themes of conversion and self-sacrifice play a major part in the characters Casy and Tom who achieve spiritual transcendence through conversion. Steinbeck's contacts with leftist authors, journalists, and labor union figures may have influenced his writing. He joined the League of American Writers, a Communist organization, in 1935. Steinbeck was mentored by radical writers Lincoln Steffens and his wife Ella Winter. Through Francis Whitaker, a member of the Communist Party USA's John Reed Club for writers, Steinbeck met with strike organizers from the Cannery and Agricultural Workers' Industrial Union. In 1939, he signed a letter with some