8 books • 3 series
Complete Guide to Prehistoric Life
Voyage to the Planets and Beyond
Space Odyssey
Walking with Prehistoric Beasts (Walking with Prehistoric Beasts)
"Walking with Beasts" (Walking with beasts)
Paseando Con Dinosaurios - Una Historia Natural
Walking with Dinosaurs 12-Copy Floor Display
Walking with Dinosaurs (Walking with Dinosaurs)