Synopsis: In 1942-era America, Superman uncovers evidence of sabotage against the growing war effort and strikes quickly to end the efforts of Napkan and the Black Circle.
Notes: Reprinted from a story told in the March/April issue of Superman (1939) #15.
Synopsis: When they accidentally discover one another's secret identities during a diamond heist on the cruise ship Varania, it makes for some awkward moments for the heroes of Metropolis and Gotham City.
Notes: Reprinted from a story in the May/June issue of Superman (1939) #76 from 1952.
