Tim Tompkins has always wanted to visit outer space--though he didn't plan to go as a captive of a mysterious alien!

But that's just what Tim, Pleskit, Maktel, and Linnsy have become: captives in an interstellar struggle for control of the galaxy. Can four kids from two very different planets learn to work together? They're going to have to if they want to survive on the strange new world where they've been trapped. But even if they can stay safe, how will the ever find their way back home?