Buck, a large, pampered dog living on a California estate, is stolen by a gardener in debt and sold into the harsh world of Klondike Gold Rush sled-dog teams. Shipped north, he is beaten into submission by the "law of club and fang," learns to fight and steal to survive, and rises through brutal contests to become the lead dog of his team.
Passed between a string of masters — some competent, some cruel and reckless — Buck finally finds genuine loyalty and affection with John Thornton, who saves his life and earns his devotion. But even as that bond deepens, Buck feels an older pull growing stronger: the call of his wild ancestors, echoing to him from the forest beyond the firelight.
Jack London's 1903 novel, drawn from his own time in the Yukon, traces Buck's transformation from domesticated pet to primal survivor in spare, propulsive prose. Equal parts adventure story and meditation on instinct versus civilization, it remains one of the most widely read American novels and a foundational work of nature writing.