Imagine a ferocious marine hunter up to twenty metres long, weighing twice as much as a humpback whale and ten times more than Tyrannosaurus rex. This is the Megalodon, and it swam in our waters three million years ago. Compared with the dinosaurs, this is but a stone's throw into our planet's shadowy past. Yet the Megalodon has been largely absent from the fossil record, its existence steeped in mystery... until now. Marking a milestone in palaeontology, Tim Flannery, celebrated environmentalist, zoologist and explorer, and his scientist daughter Emma, tell the story of the giant shark for the first time. This book follows the quest to demystify the colossus that left Earth with barely a trace, reveals where and how it lived, and discusses the theories and haunting stories surrounding this ancient legendary creature, including that it may still stalk the deep...