Just when you thought it was safe to go back in the water! Celebrate the New York Times best-selling 3-D look at prehistoric creatures of the deep.While dinosaurs patrolled the lands, massive prehistoric sharks, giant scorpions, and colossal squid cruised the ancient oceans — most with just one thing in mind: eat or be eaten. Pop-up masters Robert Sabuda and Matthew Reinhart explore the prehistoric underwater world where monsters like megalodon ruled the waves. Full of captiv