| Issue | #53 |
| Published | December 1956 |
| Frequency | monthly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Notes | Some information on this issue supplied by Tom Lammers and the Atlas/Timely discussion list. |
| Pencils | Bill Everett |
| Inks | Bill Everett |
| Pencils | Pete Morisi |
| Inks | Pete Morisi |
| Reprinted | In Secrets of the Unknown #156 (Alan Class) |
| Pencils | John Forte |
| Inks | John Forte |
| Reprinted | In Secrets of the Unknown #156 (Alan Class) |
| Pencils | Vic Carrabotta |
| Inks | Vic Carrabotta |
| Reprinted | In Secrets of the Unknown #156 (Alan Class) |
| Pencils | Angelo Torres |
| Inks | Angelo Torres |
| Reprinted | In Secrets of the Unknown #156 (Alan Class) |
| Characters | Zed; Zack |
| Synopsis | A boy celebrates the turn of the millenium with a special trip to the moon. |
| Genre | science fiction |
| Letters | typeset |
| Notes | This story is set at the end of the 29th century. |
| Reprinted | from Mystic (Marvel, 1951 series) #40 (October 1955) [originally titled "The Holiday"] |
| Pencils | Gene Colan |
| Inks | Gene Colan |
| Pencils | Reed Crandall |
| Inks | Reed Crandall |
| Reprinted | In Secrets of the Unknown #156 (Alan Class) |