The Valley of the Moon (1913) is a novel by American writer Jack London (as well as the mythic and romantic name for the wine-growing Sonoma Valley of California). The valley where it is set is located north of the San Francisco Bay Area in Sonoma County, California where Jack London was a resident; he built his ranch in Glen Ellen. (Wikipedia)

John Griffith London (born John Griffith Chaney; January 12, 1876 November 22, 1916 was an American novelist, journalist, and social activist. A pioneer in the world of commercial magazine fiction, he was one of the first writers to become a worldwide celebrity and earn a large fortune from writing. He was also an innovator in the genre that would later become known as science fiction. (Wikipedia)