| Issue | #39 |
| Published | April 1961 |
| Pages | 36 |
| Notes | Information on this issue from Lou Mougin. |
| Characters | Captain Atom [Captain Allen Adam] |
| Genre | science fiction |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Notes | Information on this issue from Lou Mougin. |
| Reprinted | in Action Heroes Archives (DC, 2004 series) #1 |
| Characters | Captain Atom [Captain Allen Adam]; Dr. Hargus; Major Silberling |
| Synopsis | Captain Atom must save a test pilot when his experimental rocket-plane has problems. |
| Genre | Superhero |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | in Strange Suspense Stories (Charlton, 1955 series) #76; in Space Adventures (Charlton, 1978 series) #12; in Action Heroes Archives (DC, 2004 series) #1 (2004) |
| Pencils | Bill Molno |
| Inks | Sal Trapani |
| Characters | Captain Atom [Captain Allen Adam]; President of the United States; Edox (alien) |
| Synopsis | Captain Atom must stop an alien invasion. |
| Genre | Superhero |
| Pencils | Rocco Mastroserio |
| Inks | Rocco Mastroserio |
| Reprinted | in Action Heroes Archives (DC, 2004 series) #1 (2004) |
| Characters | Captain Atom [Captain Allen Adam]; President of the United States; General McGibbons; Franz; Vladimir Koss; Frieda |
| Synopsis | Captain Atom is captured by some East German agents while taking important papers to the West Berlin embassy. |
| Genre | Superhero |
| Pencils | Steve Ditko |
| Inks | Steve Ditko |
| Reprinted | in Strange Suspense Stories (Charlton, 1955 series) #77; in Space Adventures (Charlton, 1978 series) #12; in Action Heroes Archives (DC, 2004 series) #1 (2004) |