Family FaceOff - Wild Thornberrys, Bk 1 Author:Maria Rosado, Bob Ostrom (Illustrator) The Thornberrys are in the Galapagos Islands! And rival filmmakers, the snotty Leo Leon and his family, have challenged them to see who can be the first to trace Charles Darwin's original route. Eliza, her parents, and his sister are dumbfounded.