Which frog uses poison to protect itself? What's more deadly, a huge saltwater crocodile or a tiny, pesky mosquito? What repugnant rodent is responsible for killing millions of people throughout history? Readers will learn the answers to these questions and many more. Filled with nasty creatures you wouldn't want to meet, this book features advice on how to avoid a shark attack, how to ward off the deadly stings of the Australian box jellyfish, and how to combat a mosquito attack.