| Issue | #140 |
| Published | May 1949 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Whitney Ellsworth (credited), Jack Schiff (actual) |
| Notes | art id by Bob Hughes 8/05 |
| Characters | Superboy |
| Genre | superhero |
| Pencils | Win Mortimer |
| Inks | Win Mortimer |
| Notes | art id by Bob Hughes 8/05 |
| Characters | Superboy; Professor Starr |
| Synopsis | Superboy visits the moon with an absent-minded professor. |
| Genre | superhero |
| Script | William Woolfolk |
| Pencils | John Sikela |
| Inks | Ed Dobrotka |
| Notes | inker id by Bob Hughes 8/05 |
| Characters | Green Arrow; Speedy; Hal Harvey |
| Synopsis | A one time famous cartoonist is at the end of his career when Green Arrow offers to provide him new inspiration. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp |
| Inks | George Papp |
| Characters | Aquaman; Sea Sleuth (Phineas Pike, intro) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | John Daly |
| Inks | John Daly |
| Characters | Johnny Quick; Otto Baybridge; Jim Logan |
| Synopsis | Johnny Quick tries to bring two men together, one who hates water, and one who can't stand being without it. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Charles Sultan |
| Inks | Charles Sultan |