Before primatologist Patricia Chapple Wright became the world's foremost expert on lemurs, she was enchanted by another primate--Aotus, the owl monkey, or "monkey of the night." But along her journey to discover the behavior of these unique nocturnal creatures, Wright finds more than she expected about family, human nature, and herself. It all starts in a New York City pet shop when Wright and her husband buy an owl monkey whose lively and rambunctious...