| Issue | #5 |
| Published | June 1951 |
| Frequency | bi-monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Credits from atlastales.com (added July 2009). |
| Genre | science fiction |
| Reprinted | in Journey Into Unknown Worlds (Bell Features, 1951 series) #40 [cover] |
| Synopsis | A man buys a telescope with a powerful lens from an alien spy. The man sees an impending invasion fleet through the telescope. The alien spy tracks him down and knocks him out and switches the telescope with a normal one so that no one knows the man got the powerful telescope by accident. |
| Genre | science fiction |
| Pencils | Ed Winiarski |
| Inks | Ed Winiarski |
| Reprinted | in Journey Into Unknown Worlds (Bell Features, 1951 series) #40 |
| Synopsis | The Master of Zodus captures Earth people for slaves by setting up The Room of No Return in carnival attractions. |
| Genre | science fiction |
| Pencils | Mike Sekowsky |
| Inks | Mike Sekowsky |
| Notes | A skier in the last panel who finds the protagonist's account of his horrible ordeal says in part, "I'm going to show it to the editor of 'Unknown Worlds'! I bet he can use it!" |
| Reprinted | in Journey Into Unknown Worlds (Bell Features, 1951 series) #40 |
| Genre | horror |
| Letters | typeset |
| Notes | Story has 2 spot illustrations. Title originally given here as "Manhunt!" but changed based on info from Atlastales and other internet sites. |
| Reprinted | in Adventures Into Terror (Marvel, 1951 series) #4 (June 1951) [as "Vampire Ship"] |
| Synopsis | Suicides who leap off bridges must pay the penalty of being transformed into fish. |
| Genre | horror |
| Script | Hank Chapman |
| Inks | Jack Abel ? |
| Notes | Lead character commits suicide. |
| Reprinted | in Journey Into Unknown Worlds (Bell Features, 1951 series) #40 |
| Synopsis | When a man passes through a time machine to the year 2049, he is told that he can only remain for thirty days in one era before returning to the other, else he will die. |
| Genre | science fiction |
| Pencils | Jay Scott Pike ? |
| Inks | Jay Scott Pike ? |
| Reprinted | in Journey Into Unknown Worlds (Bell Features, 1951 series) #5 |