Four years after being shipwrecked on the lost island of Dinotopia, sixteen-year-old Will Denison, now a fully trained Skybax Corps pilot, explores the skies over the island while his scientist father leads an expedition into the forgotten caverns of the legendary World Beneath.

After many years of searching, artist James Gurney has discovered a never-before-seen journal by the nineteenth-century explorer Arthur Denison in a used bookstore. Denison's previous travel accounts, published as Dinotopia: A land Apart from Time and Dinotopia: The World Beneath, introduced a lost island where dinosaurs and humans live together in peaceful interdependence. Now Professor Denison and his saurian companion, Bix, set out on a perilous...