Every animal has a unique part to play in maintaining nature's balance. This book, which is one of a series looks at the role of various animals in the natural world. Each book combines scientific information with a story. The stories reveal the author's love and respect for animals and the information includes guidelines on how people can also play a part in safeguarding their future. This book takes a close look at spiders, vultures, wolves and bats, which often inspire fear and hatred in humans.