When a ferocious, wolf-life creature appears in the small town of Bayport on the night of a full moon, the Hardy boys are engaged to clear the name of a young man who has a history of werewolves in his family line is suspected. Joe barely escapes a horrible death as the young detectives solve this exciting and hair-raising mystery.
Notes
The original 1979 Wanderer text (and the 2005 Grosset & Dunlap printings) have the Native American servant named Pocahontas. For the Minstrel books from 1987–1996 the character's name was changed to Elizabeth.