William Campbell 
BEHAVIOR PROBLEMS IN DOGS 3RD EDITION 

All veterinarians and most dog owners should have this one! Here is the book veterinarians refer to when solving challenging behavior problems. Correcting problem behavior begins with understanding what caused the problem in the first place. Problem solving includes understanding what is going on inside the dog’s head and learning how human interactions can cause or worsen the problem. Humane, efficient, and effective ways of dealing with negative behaviors.