When the 'megafleas' attack his town, Secret Agent Barker is determined to rid his fellow canines of these uninvited guests. In a tale enhanced with illustrations, foldout newspapers, maps, letters, and other interactive elements, readers are called to join the adventure to solve the mystery. The story starts with a headline in the Daily 'Megafleas Attack! Can We Beat the Itch?' It's a challenging time for dogkind, but Secret Agent Barker, the only flea-free agent, is dedicated to uncovering the source of this pesty crime. Is there a cure to stop the fleas? Readers are implored to assist Agent Barker as he gathers evidence and explores novelty surprises to solve the itchy mystery.