*This vintage book has no dust jacket and is a former High School library book with some old stamps and markings. There are areas of light foxing, and the back cover contains the check out pocket and date due insert. See photos. Another adventure of  Jim Thorne, a member of the Royal Mounted Police and his dog Silver Chief. Silver Chief is the son of a Husky whose father was a wolf. After his mother is killed he hates all mankind until a Canadian Mountie, Jim Thorne, shows him kindness and tames and trains him. In this book, Thorne and Silver Chief arrive at an outpost with serum to save the outpost from a diptheria outbreak.