| Release: | Apr 1942 |
| Cover: | Apr 1942 |
(The Sinister Plot of Professor Casper)
| Release: | Apr 1942 |
| Cover: | Apr 1942 |
Alan and Doiby happen across a distraught pilot, who has been blamed for a crash that killed several prominent scientists. Their interest piqued, the pair look into things on their own.
| Writer | Sheldon Mayer, Bill Finger, Jon L. Blummer, John B. Wentworth, Bill O'Connor, Charles Reizenstein |
| Artist | Sheldon Mayer, Jon L. Blummer, Harry Lampert, Stan Aschmeier, Martin Nodell |
| Cover Artist | Irwin Hasen, Martin Nodell |
| Penciller | Ben Flinton |
| Inker | Leonard Sansone |
| Editor | Sheldon Mayer |
| Green Lantern | Alan Scott |
| Charles 'Doiby' Dickles |
| Age | Golden Age |
|---|---|
| Format | Comic |
| Series Group | Green Lantern |
| Genre | Adventure | Anthology | Super-Heroes |
| No. of Pages | 64 |
| Country | USA |
| Language | English |