Justice League of America 40 (Nov 1965) FI- (5.5)

Indestructible Creatures of Nightmare Island!

Script: Gardner Fox

Pencils: Mike Sekowsky

Inks: Bernard Sachs

Letters: Gaspar Saladino

Characters: Justice League of America [Aquaman [Arthur Curry]; The Atom [Ray Palmer]; Batman [Bruce Wayne]; The Flash [Barry Allen]; Green Arrow [Oliver Queen]; Green Lantern [Hal Jordan]; Hawkman [Katar Hol]; Martian Manhunter [J'onn J'onzz]; Superman [Clark Kent]; Wonder Woman [Diana Prince]]; Mirror Master [Samuel Scudder]; The Shark; The Penguin [Oswald Copplepot]; Captain Cold [Len Snart]; Andrew Helm (villain); Chung Ka; Chandro Gopar

Synopsis: Andrew Helm creates a machine intended to create world peace, but which malfunctions and causes evil. The Justice League of America traces the source of the mayhem, battles illusory creatures summoned from their subconscious minds, and turns off the malfunctioning machine.