| Issue | #18 |
| Published | March 1940 |
| Cover Price | 0.10 USD |
| Pages | 68 |
| Editing | ? |
| Notes | in South America |
| Pencils | Frank Thomas |
| Inks | Frank Thomas |
| Notes | in South America |
| Script | Ben Thompson |
| Pencils | Ben Thompson |
| Inks | Ben Thompson |
| Notes | in South America |
| Script | Charles Pearson |
| Pencils | Charles Pearson |
| Inks | Charles Pearson |
| Notes | duotone |
| Script | Sam Gilman |
| Pencils | Sam Gilman |
| Inks | Sam Gilman |
| Script | Fred Wood |
| Pencils | Fred Wood |
| Inks | Fred Wood |
| Notes | fact pages |
| Script | Martin Filchock |
| Pencils | Martin Filchock |
| Inks | Martin Filchock |
| Notes | boy detective |
| Script | Ray Gill [as George Fish] |
| Pencils | Ray Gill [as George Fish] |
| Inks | Ray Gill [as George Fish] |
| Letters | typeset |
| Script | Claire S. Moe |
| Pencils | Claire S. Moe |
| Inks | Claire S. Moe |
| Script | Sam Gilman |
| Pencils | Sam Gilman |
| Inks | Sam Gilman |
| Notes | fact page |
| Script | Wallace Baldwin |
| Pencils | Wallace Baldwin |
| Inks | Wallace Baldwin |
| Notes | duotone |
| Script | Lochlan Field |
| Pencils | Lochlan Field |
| Inks | Lochlan Field |
| Notes | duotone |
| Script | Frank Thomas |
| Pencils | Frank Thomas |
| Inks | Frank Thomas |
| Notes | fact page |
| Script | Sam Gilman |
| Pencils | Sam Gilman |
| Inks | Sam Gilman |
| Notes | fact page |
| Script | (Campbell-?) |
| Pencils | (Campbell-?) |
| Inks | (Campbell-?) |
| Script | Malcolm Kildale |
| Pencils | Malcolm Kildale |
| Inks | Malcolm Kildale |
| Notes | fact page |