Elena Potato just moved to Oldmill Village, but she's about to find that there's a lot more going on in this quiet little town than meets the eye—Oldmill Village is actually an oasis for all kinds of monsters! Zick, Elena's new neighbor, is a strange kid who's allergic to just about everything, but he alone has the power to see the invisible ghosts and monsters that live among us.Available in print from Insight Editions

While Zick receives the visit of his beloved aunt Ermelia, Elena finds new elements that can shed some light on the disappearance of her cat Purrcy. But to follow the trail the two have to go to Bigburg, and nothing is what it seems in the big city, especially if one can see things that others don't! Is Mr. Punzo a mere seller of pots and pans? What secrets lie behind Pyramid Inc.? Let's follow Zick and Elena, the investigation continues...Available in print from Insight Editions.

The leads Elena and Zick are following take them right into the belly of the beast, and they must confront the threatening Mr. Magnacat, who seems to be something completely different from the businessman he says to be. They will have to find a way to free all of the captured animals, while Zick starts to uncover his true abilities.Available in print from Insight Editions.

There's a whole, invisible city suspended over Bigburg, inhabited by all kinds of monsters! Zick wants to go there to find a way to defeat Mr. Magnacat, but in the final showdown between the evil foe and our group of friends, an even more powerful, frightening and dangerous creature will make its appearance. Only the help of a stellar tutor can save the day, and it's time for big revelations!