in Superman (Interpresse, 1966 series) #23
in Stålmannen (Centerförlaget, 1949 series) #15/1966 (september 1966)
in Justice League of America Archives (DC, 1992 series) #5 ([October] 1999)
in Showcase Presents: Justice League of America (DC, 2005 series) #2 ([March] 2007)
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in Justice League of America: The Silver Age (DC, 2016 series) #4 ([September] 2018)
On-sale date from an advertisement in 80 Page Giant Magazine (DC, 1964 series) #8 (March 1965) and copyright registration.
Published in cooperation with the National Social Welfare Assembly.
On the inside front cover.

in Stålmannen (Centerförlaget, 1949 series) #19/1966 (november 1966), #19/1966 (november 1966), #19/1966 (november 1966)
in Limited Collectors' Edition (DC, 1972 series) #C-46 (August-September 1976)
in Justice League of America Archives (DC, 1992 series) #5 ([October] 1999)
in Showcase Presents: Justice League of America (DC, 2005 series) #2 ([March] 2007)
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in Justice League of America: The Silver Age (DC, 2016 series) #4 ([September] 2018)Story is told across 25 pages in three chapters with partial page advertisements within: unnumbered part 1 (10.67 pages), Part 2 (2.67 pages), and Part 3 (10.67 pages).
On the page immediately following page 11 of the main story sequence.
| Script: | Julius Schwartz (editor) |
| Pencils: | Mike Sekowsky (logo illustration) |
| Inks: | Bernard Sachs ? (logo illustration) |
| Colors: | ? (logo illustration) |
| Letters: | typeset |
Letters from: Steven Kelez (from Talmage, California), Steve Perrin (from Summit City, California), James Taylor (from Centralia, Washington), and Dianne Hruska (from Walled Lake, Michigan).
On the page immediately following page 14 of the main story sequence.
| Letters: | typeset |
Statement of October 1, 1964
No circulation information given.
Owners: National Periodical Publications, Inc,. Harry Donenfeld, J.S. Liebowitz, P.H. Sampliner, Irwin Donenfeld, S.U. Sampliner, Sonia Iger, all at 575 Lexington Avenue, New York, N.Y.