| Release: | May 1941 |
| Cover: | May 1941 |
The Invisible Luthor / The Talent Agency Fraud / The Spy Ring of Righab Bey / The Dukalia Spy Ring
| Release: | May 1941 |
| Cover: | May 1941 |
"The Invisible Luthor" - Buildings vanish and the water in Metropolis stops flowing. Superman investigates the demands made in a huge ransom, and finds Lex Luthor behind it all.
"The Talent Agency Fraud" - Clark finds the Daily Planet downcast, with the exception of Lois Lane. She's been offered a career in acting, but Clark smells a fraud and begins to investigate.
"The Spy Ring of Righab Bey" - Lois and Clark notice a defense department employee leaving an astrologer's office and decide to investigate. He's hypnotizing clients and forcing them to reveal secrets, and doesn't appreciate getting caught.
"The Dukalia Spy Ring" - Athletes from Dukalia perform a demonstration in public that seems anti-American. Lois and Clark investigate, both getting captured as they discover a ring of spies stealing American technology.
| Writer | Jerry Siegel |
| Artist | Leo Nowak |
| Cover Artist | Paul Cassidy |
| Penciller | Wayne Boring |
| Inker | Shuster Shop |
| Superman | Kal-El / Clark Kent |
| Lois Lane | |
| Lex Luthor | |
| Perry White | |
| Sgt. Casey | |
| Ellen Lane |
| Age | Golden Age |
|---|---|
| Format | Comic |
| Series Group | Superman |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 64 |
| Country | USA |
| Language | English |