| Release: | Nov 1940 |
| Cover: | Nov 1940 |
(Mystery at Apex Studios)
| Release: | Nov 1940 |
| Cover: | Nov 1940 |
Alan Scott learns of a drive-by shooting that leaves a radio announcer dead. Upon investigation, he learns of a criminal racket operating through the radio station. He and employee Irene Miller soon investigate, only to discover that certain ads are being used to transmit coded messages.
| Writer | Jerry Siegel, Sheldon Mayer, Bill Finger, Jon L. Blummer, Bill O'Connor, Edwin Alger, Carl Claudy |
| Artist | Sheldon Mayer, Jon L. Blummer, William Smith, Stan Aschmeier, Martin Nodell, Edwin Alger |
| Cover Artist | Sheldon Moldoff |
| Penciller | Ben Flinton |
| Inker | Leonard Sansone |
| Editor | Sheldon Mayer |
| Green Lantern | Alan Scott |
| Irene Miller |
| Age | Golden Age |
|---|---|
| Format | Comic |
| Series Group | Green Lantern |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 64 |
| Country | USA |
| Language | English |