Humans are the undisputed apex predators of our planetbut only on land. At sea, its another story altogether. Sharks are our last great enemy, and theyve fascinated us from the time we were small children. Natures perfect killing machine has been quietly knifing through the icy deep teeth-first, murdering everything in its path on a nonstop bloody rampage thats lasted for more than a hundred million years. (This is true: There were sharks before there were trees.) This fascinating deep dive into the world of sharksthe many varieties, their weapons and tactics, their social and mating behaviorwill thrill and fascinate readers of all ages. You may never go back into the water again.