A Prehistoric Journey to the Center of the Earth

Mateo, a young velociraptor, discovers a puzzling artifact during his class's archaeological dig, which his famous uncle, Dr. Raptor, determines is a clue to the disappearance of the scientist Ernie Stegosaur. Joined by Dr. Raptor's lab assistant Darby, Mateo follows the artifact's trail to the center of the Earth, where they encounter a mysterious civilization inhabited by creatures called human beings. This science fiction adventure is written for middle grade readers at a 3.2 reading level.