This series explores the fascinating world of living things. The books investigate the features and processes that keep animals and plants alive, and look at how people study and categorize them. Find out about all aspects of how living organisms develop and adapt to an enormous variety of different habitats. Discover the hidden systems behind the natural world. The key features are: "Fascinating fact" boxes highlight specific animals and plants; diagrams and tables present key information in an interesting way; and new editions feature further resources and weblinks.