The document summarizes the plot of Jack London's novel "The Call of the Wild". It introduces the author Jack London and provides brief descriptions of the main characters Buck, Perrault, François, and Thorton. It then outlines the key events in each of the 9 chapters, including Buck being sold into the Yukon, his fights with Spitz, breaking Spitz's leg to become the new leader, saving his master Thorton by swimming in an icy river, and ultimately answering the call of the wild to live with a wolf pack.