The world is full of hate but few people know how to hate well. So begins Gerald Schoenewolf's study of hate. His main argument is that most people hate in destructive ways. As individuals we routinely act out hateful feelings - from jealousy to loathing to bitterness to contempt to disgust to irritation to rage - with hardly a backward glance. We are concerned with the immediate need to protect ourselves, or to get and create a climate of animosity...