With nearly 1,000 species worldwide, bats constitute one of the largest groups of mammals. They are also the world's only truly flying mammals and can form colossal aggregations. Yet despite their vast numbers and a wide distribution between the Arctic Circle and the tip of South America, we have only recently begun to understand much about their lives and their remarkable mastery of the night skies. This intriguing study contains a fascinating collection of photographs gathered from around the world. Its text conveys all the latest research about the lifecycles, conservation, and extraordinary qualities of these too often misunderstood creatures.