Cover pulling loose from bottom staple.

Crisis on Earth-Two!

Script: Gardner Fox

Pencils: Mike Sekowsky

Inks: Bernard Sachs

Letters: Gaspar Saladino

Characters: Justice Society of America [JSA; The Atom [Al Pratt]; Black Canary [Dinah Drake Lance] (Earth-2); Dr. Fate [Kent Nelson] (Earth-2); The Flash [Jay Garrick]; Green Lantern [Alan Scott]; Hawkman [Carter Hall] (Earth-2); Hourman [Rex Tyler]]; Justice League of America [JLA; The Atom [Ray Palmer]; Aquaman; Batman (Earth-1); The Flash [Barry Allen]; Green Arrow [Oliver Queen] (Earth-1); Green Lantern [Hal Jordan]; Martian Manhunter [John Jones]; Superman (Earth-1); Wonder Woman (Earth-1)]; Crime Champions [Chronos [David Clinton]; Felix Faust; Dr. Alchemy [Albert Desmond]; The Fiddler [Isaac Bowin]; The Icicle [Joar Mahkent]; The Wizard]

Synopsis: The Justice League of America and the Justice Society of America fight their own villains on the opposite Earths until they are mystically transported to cages in space. They escape and take down the gathered villains.