"Describes the features of Allosaurus and Brachiosaurus, and how they may have battled each other in prehistoric times"--Provided by publisher.

Describes the features of Triceratops and Stegosaurus, and how they may have battled each other in prehistoric times.

"Describes the features of Dilophosaurus and Ankylosaurus, and how they may have battled each other in prehistoric times"--Provided by publisher.