First published in 1903, The Call of the Wild is regarded as Jack London's masterpiece. Based on London's experiences as a gold prospector in the Canadian wilderness and his ideas about nature and the struggle for existence, The Call of the Wild is a tale about unbreakable spirit and the fight for survival in the frozen Alaskan Klondike.
The Sea-Wolf is a 1904 psychological adventure novel by Jack London about a literary critic Humphrey van Weyden. The story starts with him aboard a San Francisco ferry, called Martinez, which collides with another ship in the fog and sinks. He is set adrift in the Bay, eventually being picked up by Wolf Larsen. Larsen is the captain of a seal-hunting schooner, the Ghost. Brutal and cynical, yet also highly intelligent and intellectual, he rules over his ship and terrorizes the crew with the aid of his exceptionally great physical strength.