Crocodile vs. Deinosuchus

"It's a fight between two fierce armored reptiles! Today's crocodiles are powerful, sneaky hunters. But millions of years ago, the Deinosuchus was one of the biggest predators of its time. Learn what makes these similar beasts so dangerous. Then decide which of the fearsome foes would emerge victorious in a beastly brawl"--Provided by publisher.