In this classic novel, London’s realist and naturalist inclinations take center stage, shaping this rugged adventure story. Set in the Klondike, the novel’s protagonist is a St. Bernard-Collie mix named Buck. Kidnapped from his California home, Buck is forced to harden into a rough sled dog in order to survive in the brutal realities of the wilderness in which he finds himself. London explores timeless themes such as the relationship between civilization and wilderness, and the struggle to survive.