There's a wild beast in Cobtown and its name is the Adapulgus! Burly Captain Ragg, his sidekick, Short Tooth, and their dog, Samson, captured the creature, and now they are traveling from town to town, selling tickets for a once-in-a-lifetime chance to view this savage creature. Lucky Hart, her friend Fliberty Jibbert and her aunt Heddy Peggler know the Adapulgus must be mighty ferocious. They have seen the creature's harness--and it is huge! Tickets are selling quickly--most everyone in Cobtown wants to behold the dreaded beast. Soon it is time to confront the Adapulgus. Soon it is time to face the monster in the shadows. . . .