Coville, Bruce

Cara must return to Earth to save her grandmother, the Wanderer. But to do so, Cara must first travel through the wilderness of Luster, land of the unicorns, and the the back of the dragon Ebillan's cave. Only there will she find the gate that can bring her back home.

When Charlie Eggleston stumbles into Mr. Elive's mysterious magic shop, he's just looking for a phone so he can call his parents. What he finds is a wise-cracking skull that leads him into the adventure of a lifetime. Along the way, Charlie will learn some unexpected lessons about truth, love, friendship and bad haircuts. And what he find at the end of his journey, not even the Skull of Truth could have anticipated.

While living with aliens Peter has learned of their plans for the Earth and only he, Susan and Duncan can stop them.