This book is about one of the great zoological wonders of the world. No, it's not about the tears of the elephant, the smile of the dolphin, or the politics of the chimpanzee. It is about a scrawny, brainy ape with the habit of helping strangers, at times even risking life and limb to do so. It's about you and me, and how we treat everybody else. In short, it answers one of the biggest question…