| Issue | #13 |
| Published | July 1939 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | ? |
| Notes | Cover features mousetrap exchange. |
| Notes | Cover features mousetrap exchange. |
| Pencils | Clyde Lewis |
| Inks | Clyde Lewis |
| Notes | Inside front cover. |
| Script | Norman Marsh |
| Pencils | Norman Marsh |
| Inks | Norman Marsh |
| Script | Fred Harman |
| Pencils | Fred Harman |
| Inks | Fred Harman |
| Script | Merrill Blosser |
| Pencils | Merrill Blosser |
| Inks | Merrill Blosser |
| Script | Virginia Krausmann |
| Pencils | Virginia Krausmann |
| Inks | Virginia Krausmann |
| Letters | typeset |
| Letters | typeset |
| Script | Roy Crane |
| Pencils | Roy Crane |
| Inks | Roy Crane |
| Genre | contest |
| Script | Ray Thompson |
| Pencils | Charles Coll |
| Inks | Charles Coll |
| Script | Edgar Everett Martin |
| Pencils | Edgar Everett Martin |
| Inks | Edgar Everett Martin |
| Genre | how-to |
| Pencils | Hugh Harman and Rudolf Ising |
| Letters | typeset |
| Script | Virginia Krausmann |
| Pencils | Virginia Krausmann |
| Inks | Virginia Krausmann |
| Letters | typeset |
| Notes | (formerly Tom Traylor) |
| Script | Frank V. Martinek |
| Pencils | Leon A. Beroth |
| Inks | Leon A. Beroth |
| Script | Sol Hess |
| Pencils | W.A. Carlson |
| Inks | W.A. Carlson |
| Script | J.R. Williams |
| Pencils | J.R. Williams |
| Inks | J.R. Williams |
| Script | Sylvia |
| Pencils | Sylvia |
| Inks | Sylvia |
| Letters | typeset |
| Script | Martha Orr |
| Pencils | Martha Orr |
| Inks | Martha Orr |
| Pencils | Alden McWilliams |
| Inks | Alden McWilliams |