| Issue | #31 |
| Published | June-July 1967 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Greg Fischer, October 2007). |
| Characters | The Atom [Ray Palmer]; Hawkman [Katar Hol; Carter Hall] |
| Genre | Superhero |
| Pencils | Gil Kane |
| Inks | Murphy Anderson |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Greg Fischer, October 2007). |
| Characters | The Atom [Ray Palmer]; Hawkman [Katar Hol; Carter Hall] (guest star); Mrs. Burns; Hawkgirl [Shayera Thal; Shiera Hall]; Toyboy [Johnny Burns] (villain); 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. |
| Characters | The Atom [Al Pratt] (origin); Sandman [Wesley Dodds]; The Spectre; The Flash [Jay Garrick]; Hawkman [Carter Hall]; Dr. Fate; Green Lantern [Alan Scott]; Hourman (all as the Justice Society of America); Mary James |
| Genre | Super-hero |
| Script | Julius Schwartz ? |
| Letters | typeset |
| Notes | Text article about the original Atom. |