In this book, the author introduces the basics of rehabilitating monkeys and apes based on his three decades of field research experience on various species of non-human primates in Africa, South America and Asia. This book highlights a variety of issues concerning rescue, rehabilitation, release and reintroduction of monkeys and apes with practical applications for conservation. This book may serve as an introductory, supplementary and reference text for zoology, primatology and anthropology related courses in colleges and universities worldwide.