"They've thrilled generations of viewers with their high-octane action and iconic character designs. Now the reimagined heroes of Hanna-Barbera--Space Ghost, Jonny Quest, Birdman, the Herculoids and more--united for the first time, in a battle so big the small screen simply can't contain the cataclysm!''--Back cover.

"Originally published in single magazine form in Future Quest 1-6."--Indicia.