| Issue | #27 |
| Published | October-November 1966 |
| Frequency | Bi-Monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Characters | The Atom [Ray Palmer]; The Panther |
| Genre | superhero |
| Pencils | Gil Kane (signed) |
| Inks | Gil Kane (signed) |
| Characters | The Atom [Ray Palmer]; The Panther Gang (villains); Dawn Hudson; Willie Farr |
| 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 6 of sequence 1. |
| Characters | The Atom [Ray Palmer]; Benjamin Franklin; Professor Alpheus V. Hyatt; Joseph Montgolfier; Etienne Montgolfier; J.A.C. Charles |
| Synopsis | In a "Time Pool" story, the Atom meets Benjamin Franklin and the Montgolfiers. |
| 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. |
| Script | Julius Schwartz [as The Editor] |
| Letters | Typeset |
| Notes | Letters of comment from readers Dianne Hruska, Wayne DeWald, Don Fitzgerald, Richard Volbrecht, Marcy Slyh, Jon Voss, Randy Cleveland and Bill Abboud, with replies from Schwartz. |
| Characters | Andy; George |
| Notes | Inside back cover. |