Terrore dal sesto pianeta

Plot and script: Guido Nolitta
Artwork: Gallieno Ferri and Franco Bignotti
Cover: Gallieno Ferri

Zagor frees himself from Hellingen’s conditioning and tries to oppose the alien colonization of our planet. He sends for Perry but… will the soldiers be enough? The Akkronians seem invulnerable: no earthly weapon can kill them!