Jack London's masterpiece describing the timeless bonds between man, dog, and wilderness

Buck, half St. Bernard and half Scotch shepherd, is a bold-spirited dog living the good life in the Santa Clara Valley. But when a treacherous act of betrayal results in his kidnapping, he is stripped from his comfortable life on the California estate and thrust into the rugged terrain of the Yukon, where he is made a sled dog. Strong dogs are in high demand as the Klondike gold rush rages on, and Buck must battle the bitter cold and savage lawlessness of man and beast, striving to serve the man who shows him kindness. Can he rise to the challenges he faces and once again become the master of his realm?