Plot and script:
Artwork and Cover:
Zagor and Chico return to Mount Naatani, setting of their last clash with the mad doctor Hellingen. Here the Mexican discovers that the cabin inside of which the evil scientist had disappeared works actually as a means of teletransport. And he thus finds himself on the incredible planet Babelia, surrounded by very strange aliens that give him a dangerous mission: to kill Kokodix, the evil tyrant of Babelia!