The Cincinnati Zoo, a renowned educational and wildlife research facility, joins Franklin Watts in a series of books introducing the threatened animal and plant species of the world. Dramatic, full-color photographs and lively writing will enthrall and inform young readers, while promoting their interest in global conservation. Each book includes a glossary and an index.Primates' appearance and behavior, adaptations, and similarities to each other and to human beings are explored, along with descriptions of their way of life, and of the problems now threatening some members of this diverse, fascinating order of animals.