The Culture Clash, by Jean Donaldson, is a classic dog-training book. She is the founder of the Academy for Dog Trainers at the San Francisco Society for the Prevention of Cruelty to Animals, which has earned a reputation as the equivalent of Harvard for dog trainers and behavior counselors. She is a three-time winner of the Dog Writers Association of America's Maxwell Award. To learn more about Jeandonaldson, go to www.jeandonaldson.com.