Story
Featuring
Justice League
"How's this for a chain-reaction of incredible events?"
Storyline
When the JLA battles two separate unstoppable menaces, Shaggy Man and a rock-creature, the Flash hits on the idea of setting them on each other. When the Shaggy Man destroys the rock creature, the JLA pits the Shaggy Man against a duplicate of himself.
Story Notes
Credits for script and pencils confirmed from Julius Schwartz's editorial records, provided by DC Comics. The records list only Giacoia as the inker.
Story across 24 pages in three chapters of 5.67, 11.67, and 5.67 pages.