Explores the process of how human activity endangers and has historically caused the extinction of whole species of animals. Photographs, charts, and graphics inform readers on species currently endangered and encourages young readers to get involved and take steps to reduce pollution and save animals, even in their backyards. Includes a glossary.

Foreword -- Introduction -- Wildlife under threat -- The sixth mass extinction -- Gone is gone -- The red list : measuring risk -- Life on the edge -- Why and how do species become endangered? -- Facing the threat of extinction -- Understanding endangered species -- Research in the field -- Ask the locals! -- Small boats, big oceans -- From field research to advocacy -- Saving endangered species -- Why save species? -- Habitat first -- Law and enforcement for wildlife in danger -- Captive breeding for species on the brink -- Fighting the invaders -- The last chance -- Endangered species in your backyard -- Habitat for wildlife -- Become a citizen scientist -- Reduce your impact on your environment -- Be a voice for the voiceless -- Go outside and enjoy nature! -- Looking to the future : don't' give up!