Audiokniha The Call of the Wild namluvená rodilým mluvčím. Jazyková úroveň B1 pro středně pokročilé posluchače. Buck, a happy, quiet dog living in sunny California, is kidnapped and sent north to begin a new hard life as a sled dog during the Klondike Gold Rush. Read about his adventures and the many problems he has to face in this new cruel world. Discover how he begins to change and how he responds to the Call of the Wild.