Great sites for dog training books, products and information:

• American Veterinary Society of Animal Behavior
• Companion Animal Psychology
• dog*tec
• Doggone Safe
• Dogwise
• Fearful Dogs
• Housetraining 1-2-3
• International Association of Animal Behavior Consultants
• Mutt About Town
• Muttville Senior Dog Rescue
• Muzzle Up Project
• Pet Expertise
• Pet Professional Guild
• The Family Dog
• Waggamaniacs
• Welfare in Dog Training
• Your Pit Bull and You