This is an important book at a time of growing interest in schools about biodiversity Each page presents compelling statistics about the world's species Introduces the reader to the unimaginable variety of species in the world Locator icon gives a clear visual reference of the percentage of the Tree of Life occupied by each species Clearly explains the idea that habitats are being destroyed and species are being lost at an alarming rate Ideas suggested to help children learn how to reduce our negative impact on the environment Includes notes for teachers and parents.