The shark is so well adapted to its environment that it is thought that its existence on the planet predates the tree. For people everywhere, however, this highly successful creature is the stuff of nightmares. Shark attacks are savage, often tragic and seemingly arbitrary. But do we have the full picture? And is our terror justified? Author Tom Allen has carefully researched all known shark attacks from all over the world. The result is the most thorough and informative book to date on the phenomenon. It contains the harrowing personal stories of shark attack survivors, expert opinions from marine biologists and the latest scientific studies of shark behaviour. Allen's fascinating analysis Why so many attacks occur in water less than five feet deep Which species are killers What triggers sharks Behaviour just before an attack Whether shark nets increase swimmer safety levels Environmental and seasonal conditions that contribute to an increase in attacks Why it is better to be below a shark than above it