Emperors of the Deep. The Mysterious and Misunderstood World of the Shark

Sharks are ruthlessly efficient predators, the apex of 450 million years of evolution. They are older than trees, have survived five extinction events and are essential to maintaining balanced ocean ecosystems, but how much do we really know about their lives?
The first book to reveal the hidden world of sharks, Emperors of the Deep draws upon the latest scientific research to examine four species in detail - mako, tiger, hammerhead a