The Phantom Doctor by Ranpo Edogawa
Fed up with those meddling kids from the Boy Detectives Club, the Fiend with Twenty Faces plans to exact his revenge and walk off with a priceless work of art in the bargain! Pursuing them through haunted houses and limestone caves, the Fiend lures master sleuth Kogoro Akechi and the members of the Boy Detectives Club deep underground for a life-or-death struggle in the dark.
The Bronze Devil by Ranpo Edogawa
A thief is on the loose in Tokyo, a smash and grab artist that targets high-end jewelry stores. The identity of this burglar is no mystery. It’s a metal robot, dubbed the “Bronze Devil.” With its ability to appear and disappear out of nowhere, the police are powerless to stop it—which can only mean it’s time to put master sleuth Kogoro Akechi and the Boy Detectives Club on the case.
The Space Alien by Ranpo Edogawa
The year is 1953. UFOs are appearing all over the world. Five flying saucers zoom across the skies of Tokyo. Ichiro Hirano’s next-door neighbor is kidnapped by an alien lizard creature. That same creature is now stalking the sister of Ichiro’s best friend. What in the world is going on? Here again is the kind of mystery that only Kogoro Akechi and the Boy Detectives Club can hope to solve.