| Issue | #54 |
| Published | June 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 | Royal Flush Gang [Ace; King; Queen; Jack; Ten]; Justice League of America [JLA; Wonder Woman [Diana Prince]; Atom [Ray Palmer]; Batman [Bruce Wayne]; Flash [Barry Allen]; Martian Manhunter [J'onn J'onzz]] |
| Genre | Superhero |
| Pencils | Mike Sekowsky |
| Inks | Murphy Anderson |
| Letters | Ira Schnapp |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (Added by Greg Fischer, October 2007). |
| Reprinted | in Justice League of America Archives, The (DC, 1992 series) #7 (February 2001) |
| Characters | Justice League of America [JLA; Atom [Ray Palmer]; Batman [Bruce Wayne]; Flash [Barry Allen]; Green Lantern [Hal Jordan]; Martian Manhunter [J'onn J'onzz]; Wonder Woman [Diana Prince]]; Alvin Marley (first appearance; death); Irene Marley (first appearance); Dr. Clay Rockwell (first appearance); Royal Flush Gang [Ace [Professor Amos Fortune]; King; Queen; Jack; Ten] (villains) |
| Genre | Superhero |
| Script | Gardner Fox |
| Pencils | Mike Sekowsky |
| Inks | Sid Greene |
| Letters | Gaspar Saladino |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007). |
| Reprinted | in Justice League of America Archives, The (DC, 1992 series) #7 (February 2001) |