12 Footprints Under the Window (1933): The Hardy Boys Mystery

Volume 12: Footprints Under the Window

The Hardy Boys find themselves embroiled in an international intrigue when mysterious footprints appear under their window. As they investigate, they uncover a plot involving smuggling and espionage. With the help of their friend Chet Morton, Frank and Joe navigate a web of deception that leads them to a remote island. In a race against time, they must outsmart dangerous criminals and protect national secrets.