10 books • 1 series
Restless Iguanodon (When Dinosaurs Ruled the Earth)
Suchomimus Smiles Like a Crocodile (When Dinosaurs Ruled the Earth)
Three-Horned Triceratops (When Dinosaurs Ruled the Earth)
Armored Ankylosaurus (When Dinosaurs Ruled the Earth)
Towering Brachiosaurus (When Dinosaurs Ruled the Earth)
Fearsome Albertosaurus (When Dinosaurs Ruled the Earth)
Rampaging Allosaurus (When Dinosaurs Ruled the Earth)
Argentinosaurus, Giant of Giants (When Dinosaurs Ruled the Earth)
Spiky Stegosaurus (When Dinosaurs Ruled the Earth)
Tyrannosaurus, King of the Dinosaurs (When Dinosaurs Ruled the Earth)