| Issue | #139 |
| Published | April 1949 |
| Cover Price | 0.10 USD |
| Pages | 52 |
| Editing | Whitney Ellsworth (credited), Jack Schiff (actual) |
| Notes | art id by Bob Hughes 7/07 |
| Characters | Superboy |
| Genre | superhero |
| Pencils | Al Wenzel |
| Inks | Al Wenzel |
| Notes | art id by Bob Hughes 7/07 |
| Characters | Superboy; Mr. Baxter; Mr. X |
| Genre | superhero |
| Pencils | John Sikela |
| Inks | Ed Dobrotka |
| Notes | inker id by Bob Hughes 8/05. |
| Characters | Green Arrow; Speedy; Basil Harkness; Smash Dixon; Bullhead Beale |
| Synopsis | Green Arrow gets involved in a hunt for live dinosaurs in a lost valley. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | George Papp |
| Inks | George Papp |
| Notes | Green Arrow lives in Gotham City! |
| Characters | Aquaman; Simon Drago |
| Synopsis | Simon Drago asserts he owns the whole ocean, and charges tolls for all who want to cross it. |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | John Daly |
| Inks | John Daly |
| Characters | Shining Knight; Sir Butch; The Armorless Knight |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Shining Knight artist |
| Inks | Shining Knight artist |
| Notes | at Camelot |
| Characters | Johnny Quick; Albert Madison |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Charles Sultan |
| Inks | Charles Sultan |