Prehistoric Predators: Monster Shark Format:DVD "Olga Knows Best

"Olga Knows Best

Explore an often inescapable nightmare of nature that's much more common than most of us realize

by Jane Hawking

and Indonesia

William Sloan is a professional enforcer for the Martinez drug cartel

Prehistoric Predators: Monster Shark Format:DVD "Olga Knows BestMegalodon was the biggest predator ever to swim the oceans. And for 20 million years, this ferocious 50 ton shark with a 9 foot jaw and 7 inch serrated teeth terrorized the creatures of the seas. Now, nearly 2 million years after its extinction, a team of scientists is combining research on today's great white with the only Megalodon fossils ever found to unlock the mysteries of this apex predator.