Sharks: Encounter the Ocean's Top 20 Fiercest Sharks (Creature Files)

L. J. Tracosas

Did you know that a shark can grow over 20,000 new teeth in its lifetime? Or that some sharks will eat anything from tiny fish to license plates from cars?An incredible amount of information about sharks can be revealed by examining the teeth and jaws of the 20 jaw-snapping species covered here, in Crea...