Galen is back, and the kids are going to need his help. But first, they have to find him!
Eric and his friends soon learn that the old wizard is trapped in the city of Parthnoop, on the dark side of the moon, and only Queen Zara's flying chariot will take them there. But with genies, urn-riders, and secrets around every turn, can they reach Galen in time? Or will they be trapped in Parthnoop, too?