A New York Times Bestseller. Great white sharks are enigmas. They ruled the oceans long before dinosaurs inhabited the earth, yet we know surprisingly little about them.Scientists speculate they can live for 60 years and grow to a massive 20 feet long.They heal miraculously from severe injuries and can sense a heartbeat from miles away.There is one place on earth where it is possible to study great whites in the wild: a spooky outcrop of jagged rocks off the coast of San Francisco.This godforsaken island is home to a handful of shark-obsessed scientists, ready to endanger their lives just to get close. This is a riveting adventure about great white sharks and the power they have over us.