in Justice League of America Archives (DC, 1992 series) #7 ([April] 2001)
in Showcase Presents: Justice League of America (DC, 2005 series) #3 (2007 [February 2008])
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in DC Finest: Justice League of America: The Bridge Between Earths (DC, 2024 series) (2024 [January 2025])Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Compare this cover with the cover of All Star Comics (1940 series) #43.
On-sale date from copyright registration.
| Script: | Gardner Fox (credited) |
| Pencils: | Mike Sekowsky (credited) |
| Inks: | Sid Greene (credited) |
| Colors: | ? |
| Letters: |

in Justice League of America Archives (DC, 1992 series) #7 ([April] 2001)
in Showcase Presents: Justice League of America (DC, 2005 series) #3 (2007 [February 2008])
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in DC Finest: Justice League of America: The Bridge Between Earths (DC, 2024 series) (2024 [January 2025])Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Story in three parts of 7.5, 5.5, and 8.5 pages.
Events of this story take place in the same timeframe as issue #50.
letters submitted by Ken Ahlstrand; Joseph J. Arul
Published in cooperation with the National Social Welfare Assembly.
Previously appeared in DC comics cover-dated May 1963.
letters submitted by Dominic L. Lasorsa; Irene Vartanoff; Don Akers