A. C. Valentine
| Year | Publication | Title | |
|---|---|---|---|
|
1933 | A Thousand Years a Minute | A Thousand Years a Minute |
|
1933 | The Land of No Shadow | The Land of No Shadow |
|
1933 | The Mystery Men of Mars | The Mystery Men of Mars |
| Year | Publication | Title |
|---|---|---|
| 1933 | A Thousand Years a Minute | A Thousand Years a Minute |
| 1933 | The Land of No Shadow | The Land of No Shadow |
| 1933 | The Mystery Men of Mars | The Mystery Men of Mars |
| 1934 | The Blue Grotto Terror | The Blue Grotto Terror |