| Issue | #42 |
| Published | July 1964 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Pat Masulli |
| Genre | science fiction |
| Pencils | Dick Giordano |
| Inks | Dick Giordano |
| Letters | typeset |
| Characters | David Weeks; Manuelo (Indian Guide); Daga |
| Synopsis | David Weeks helps some aliens find a new source of Silicon Dioxide. |
| Genre | science fiction |
| Pencils | Bill Molno |
| Inks | Vince Alascia |
| Letters | typeset |
| Characters | Dr. Leopold Spyszeny; Professor Elanor Wills |
| Synopsis | Professor Wills has to convince Dr. Spyszeny to not detonate his underground atomic bomb. |
| Genre | science fiction |
| Pencils | Bill Molno |
| Inks | Vince Alascia |
| Letters | typeset |
| Genre | science fiction |
| Letters | typeset |
| Characters | Andy Clarke; Kipper Smith; Mike Rutlik; Mr. Morse; Mr. Fenton |
| Synopsis | Three miners are trapped in a cave-in. They escape into another dimension. |
| Genre | science fiction |
| Pencils | Rocco "Rocke" Mastroserio |
| Inks | Rocco "Rocke" Mastroserio |
| Letters | typeset |
| Characters | Colonel John Tildon; Ed; General Bailey |
| Synopsis | Colonel Tildon and his co-pilot are pilots on the Air Force who end up flying their jet to Mars. |
| Genre | science fiction |
| Pencils | Bill Molno |
| Inks | Vince Alascia |
| Letters | typeset |