Fight! A Practical Guide to the Treatment of Dog-Dog Aggression by Jean Donaldson. If your dog is having trouble getting along with other dogs, you might want to read this book. Take a look at the Table of Contents to see if your particular issue is addressed here. She addresses several issues, such as the playground bully, the proximity sensitive dog, and resource guarding. However, many of her protocols require access to dogs with excellent social skills, which we are not all able to easily access.
Fight! A Practical Guide to the Treatment of Dog-Dog Aggression by Jean Donaldson