The document provides an introduction to Jack London's novel "The Call of the Wild". It summarizes that the story follows a dog named Buck who is stolen from his home in California and sold as a sled dog in Alaska during the Klondike Gold Rush. Buck must learn to survive in the harsh climate and adapt to his new role, challenging the lead dog and learning the ways of his new environment. The document also provides background information on the Klondike Gold Rush, the indigenous use of sled dogs, and the breeds commonly used for sled dogs.