Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric PlaneZack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about in books.
With vivid illustrations and clear, simple text, you will find scientific facts about the mighty killers and how these amazing animals lived, what they ate, and how they protected themselves.
