Justice League of America 31 (Nov 1964) VG+ (4.5)

cover by Mike Sekowsky and Murphy Anderson

Riddle of the Runaway Room

Script:Gardner Fox
Pencils:Mike Sekowsky
Inks:Bernard Sachs
Letters:Ira Schnapp (page 1); Gaspar Saladino
Characters:Justice League of America [Aquaman [Arthur Curry]; Atom [Ray Palmer]; Batman [Bruce Wayne]; The Flash [Barry Allen]; Green Arrow [Oliver Queen]; Green Lantern [Hal Jordan]; Hawkman [Katar Hol] (joins); Martian Manhunter [J'onn J'onzz]; Snapper Carr; Superman [Clark Kent]; Wonder Woman[Diana Prince]]; Hawkgirl [Shayera Hol] (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.