"Challenge of the Forest" is a novel written by the American writer Jack London. This book tells the story of a dog named Buck, who loses his former life as a beloved pet and is sent on a trek through the wilderness. A series of trials, adventures and dangers await her. "Challenge of the Forest" is a fascinating essay about the inner strength of an animal, adaptation to new conditions and survival in a difficult natural world. London's novel forces readers to think deeply about nature and its laws, about the forces of nature and human weakness.