| Issue | #9 |
| Published | April 1954 [May 1954] |
| Frequency | Bi-Monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Copyright 1954 by Allen Hardy Associates, Inc. Cover date is May, but indicia date is April. |
| Characters | Duke Douglas |
| Genre | Spy |
| Pencils | Don Heck (signed) |
| Inks | Don Heck (signed) |
| Characters | Duke Douglas; Neja; Sheik Haroun-El-Khali; Fritz Fallon (villain, death); Al-Mahout (villain) |
| Genre | Spy |
| Characters | Duke Douglas; Miguel Rondo; Jack Stoner (villain) |
| Genre | Spy |
| Letters | typeset |
| Characters | Duke Douglas [also as Kurt Brann]; Beatrice Cashmann; Tommy Holmes; Frank Venner (villain); Kurt Brann (villain) |
| Genre | Spy |
| Pencils | Don Heck (signed) |
| Inks | Don Heck (signed) |
| Characters | Daniels; Mike Oliver; Evelyn Bancroft; Tom Bancroft; Hank Ferguson (villain, death) |
| Genre | Crime |
| Pencils | Don Heck (signed) |
| Inks | Don Heck (signed) |
| Characters | Duke Douglas; Nick Burns (death); Newkirk (death); Bevans; Wilton Armstrong (villain, death) |
| Genre | Spy |
| Letters | typeset |
| Characters | Virgil Stagg; Dr. Robert Morrison; Julius Russ (villain) |
| Genre | Spy |