Interesting and funny look at the behavior of the endangered species of orangutans. This book describes the experience of Russon and her colleagues' work in transitioning abused and pet orangutans back to living in a natural environment. Orangutans are visibly very cunning animals, which have managed to trick the researchers in this national park more than once. Russan recounts her experience with an orangutan that insisted on washing clothes, and describes stories of them raiding secured guard posts and untying canoes and taking them up and down the river.I recommend this book to anyone who has interests in psychology, especially that of animals and people with pets.