| Issue | #28 |
| Published | December-January 1967 |
| Frequency | Bi-Monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Characters | The Atom [Ray Palmer]; Chronos |
| Genre | superhero |
| Pencils | Gil Kane (signed) |
| Inks | Gil Kane (signed) |
| Notes | The cover was used as the inspiration to the cover on Power of the Atom #6. |
| Characters | The Atom [Ray Palmer]; Chronos (villain); Anton Teljas; Eva Teljas; Mrs. Ophelia Templeton |
| Genre | superhero |
| Script | Gardner Fox |
| Pencils | Gil Kane |
| Inks | Sid Greene |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Notes | Placed between pages 4 and 5 of sequence 1. |
| Notes | Placed between pages 10 and 11 of sequence 1. |
| Characters | AMT Kat |
| Letters | Typeset |
| Characters | The Atom [Ray Palmer]; Jean Loring |
| Genre | superhero |
| Script | Gardner Fox |
| Pencils | Gil Kane |
| Inks | Sid Greene |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. |
| Notes | Follows page 2 of sequence 6. |
| Genre | fact |
| Script | Henry Boltinoff (signed) |
| Pencils | Henry Boltinoff (signed) |
| Inks | Henry Boltinoff (signed) |
| Notes | Follows sequence 7, followed by page 3 of sequence 6. |
| Notes | Follows page 7 of sequence 6. |
| Script | Julius Schwartz [as The Editor] |
| Letters | Typeset |
| Notes | Letters of comment from readers James Flanagan, Alan Trahern, Steve Massar, Irene Vartanoff and Dave Cockrum, with replies from Schwartz. |
| Characters | Andy; George |
| Notes | Inside back cover. |