| Issue | #15 |
| Published | May 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | Malcolm Reiss (Editor); William E. Eisner (Art Director); S. M. Iger (Feature Editor) |
| Genre | Jungle |
| Pencils | Will Eisner |
| Inks | Will Eisner |
| Characters | Friar Ivan; Bob; Chim; Kala; Grodo; Kidi |
| Genre | jungle |
| Script | ? [as W. Morgan Thomas] |
| Pencils | Bob Powell |
| Inks | Bob Powell |
| Characters | Fooy On Yu; Shortbred; Ah Choo |
| Genre | humor |
| Script | ? [as Golleh] |
| Pencils | Al Stahl?; Dick Briefer? |
| Inks | Al Stahl?; Dick Briefer? |
| Characters | Jeremy Clogg; Maria Mantilla [revealed as Princess Dolora Cordova]; Master Chaldeigh; |
| Genre | period |
| Script | ? [as Willis B. Rensie] |
| Pencils | Will Eisner |
| Inks | Will Eisner |
| Notes | Pages 1-4 are a reconfigured reprint of original pages 121-123 of the syndicated Eisner-Iger strip. Pages 5-8 appear to be new material done for this issue of Jumbo Comics. |
| Characters | A. Williams; Mr. Ark |
| Genre | detective |
| Characters | I: Lightning (Fred Larkin), Gen. Morgan Larkin (his father); V: Dr. Evil (I; Dr. Live) |
| Genre | super hero |
| Script | ? [as Teller Tales] |
| Pencils | Charles Wotjkoski |
| Inks | Dan Zolnerowich?; Charles Wotjkoski? |
| Notes | Hames sees signs of Al Bryant inks, but I think it's more like Frank Frollo. |
| Characters | Pubala; Nikki-Tikki; Kinat; |
| Genre | jungle |
| Script | Lin Davies |
| Pencils | Dan Zolnerowich |
| Inks | Dan Zolnerowich |
| Characters | Dr. Hayward; Laura; Bick Zingala |
| Genre | science fiction |
| Script | ? [as Curt Davis] |
| Pencils | Charles Mazoujian |
| Inks | Charles Mazoujian |
| Characters | Paro Zuba; Josoix; Manya |
| Genre | spies |
| Script | ? [as Major Thorpe] |
| Pencils | George Tuska |
| Inks | Frank Frollo?; George Tuska |
| Notes | Different inker on the first part of the strip. |
| Characters | Snorty; Ghost of Don Alfredo; Crimson Rider |
| Genre | western |
| Script | ? [as Fred Sande] |
| Pencils | George Tuska |
| Inks | George Tuska |
| Characters | Mondego |
| Genre | period |
| Pencils | Lou Fine [as Jack Cortez] |
| Inks | Lou Fine [as Jack Cortez] |
| Genre | gags |
| Script | S. M. Iger |
| Pencils | S. M. Iger |
| Inks | S. M. Iger |
| Genre | humor |
| Script | Will Eisner [as Carl Heck] |
| Pencils | Will Eisner [as Carl Heck] |
| Inks | Will Eisner [as Carl Heck] |
| Characters | Sid Showem; Ann Segal; Miranda Arlo; Reginald Arlo; Conrad Corey; |
| Genre | detective |
| Script | ? [as George Thatcher] |
| Pencils | George Tuska |
| Inks | ?; George Tuska? |