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, you...