- Script:
- Gardner Fox
- Pencils:
- Mike Sekowsky
- Inks:
- Bernard Sachs
- Colors:
- ?
- Letters:
- Ira Schnapp (pg. 1 only); Gaspar Saladino
- Genre:
- superhero
- Characters:
- Aquaman; Atom [Ray Palmer]; Batman; The Flash [Barry Allen]; Green Arrow; Green Lantern [Hal Jordan]; Hawkman [Katar Hol] (joins); Martian Manhunter [J'onn J'onzz]; Snapper Carr; Superman; Wonder Woman (all as the Justice League of America/JLA); Hawkgirl (cameo); Joe Perry (villain); Super-Duper (villain)
- Synopsis:
- Hawkman's first case as a member of the JLA involves low-level crook Joe Parry who has come into possession of an alien machine with which he creates three different threats against the JLA.
- Reprinted:
- in Justice League of America (DC, 1960 series) #67 (November-December 1968)
- in Justice League of America Archives, The (DC, 1992 series) #5
- in Showcase Presents: Justice League of America (DC, 2005 series) #2
Lettering credits from reprint in JLA Archives.