Stories include: - Congo Jack: "Congo Jack is now in the underground city of the Green Molemen..." by Mark Schneider featuring Congo Jack (first appearance) - Lash Lightning by Jim Mooney - Dr. Nemesis, Rx: "Here comes Jim Bradley." - Hap Hazard: "Hap Hazard, copy boy on the Daily Star, has his most exciting adventure when he gets mixed up with Arson, Inc.!" featuring Hap Hazard; Arson, Inc. (introduction; villains) - Whiz Wilson: "I wonder what's interesting the crowd?" - Marvo: "This is the Chinese section of the city, Tito." - Raven: "One day, Danny Dartin visits Mike in the Raven's hideout..." featuring The Raven; the Green Hood Gang (introduction; villains) - Lash Lightning: "In the castle laboratory of that sinister angel of evil, the Mastermind" by Jim Mooney featuring Lash Lightning; the Mastermind (villain) - The Gold Coin Case