From the persevering emperor penguins of the South Pole to the brave bacteria inside bubbling volcanoes, from the hardy reptiles of the driest deserts to the squash-proof creatures of the deepest seabeds, animals have adapted to survive in conditions that would kill a human faster than you can say “coffin.” Discover how they do it in this amazing natural history book from a celebrated team — and find out who wins the title of the toughest animal of them all.