Credited in Justice League of America #39 (November 1965) to Mike Sekowsky and Murphy Anderson. Previously attributed here to Anderson (pencils & inks). Lettering credit from reprint in JLA Archives.
Lettering credit from reprint in JLA Archives. Story in three chapters: unnumbered part 1 (7.67 pp.), Part 2 (7.67 pp.), Part 3 (8.67 pp.).
Letters from Larry Tucker, John Hamm, Lucinda Briggs, Philip Siegel, Danny Anderson, Buddy Saunders (future fanzine publisher & member of the Texas Trio), Dean Allen, Bruce Yunker.