Jack London was an American novelist, journalist and social activist. Pioneering the genre of magazine fiction and prototyping science fiction, he became one of the first writers, who gained worldwide fame and a large fortune. "The Call of the Wild" is a short adventure novel set in Canada during the Klondike Gold Rush. The story starts when someone steals the main character, a dog Buck of a ranch in Santa Clara Valley, from his home and sells him into service as a sled dog in Alaska.