Describes the physical characteristics, habitat, and behavior of giant sea reptiles of prehistoric time.

A look at the prehistoric marine reptiles known as sea dragons and how they lived millions of years ago in earth's oceans.

"The sea-with its unknowable depths, its far-reaching horizons, and its sparkling surface-holds some in fascination, others in fear. But one thing can't be denied by either beholder of the water: it is home to an array of species we can't even begin to know the extent of. But as for the underwater creatures of the past, who have been extinct for millions of years, we can make an attempt at learning all of them. With The Secrets of Ancient Sea Monsters,...