When Zagor's arch-nemesis Professor Hellingen mysteriously disappears from the scientific military base Skylab, Zagor braces himself for a crisis of colossal magnitude. Still, nothing can prepare him for what comes next...!
Contains three full stories: Timeless Magic, Sci-Fi Chico and Day of the Invasion! Total of 668 pages!
Story: Gallieno Ferri (Timeless Magic, Sci-Fi Chico)
Jacopo Rauch (Day of the Invasion)
Artwork: Gallieno Ferri
Cover: Michele Rubini (pencil/pen)
Cover (variant): Gallieno Ferri (pencil/pen)