RARE 1967 The Koehler Method of GUARD DOG TRAINING William Koehler HC K9 Police William Koehler's classic guide to training and handling protection dogs, written by the former U.S. Army K-9 Corps instructor and chief trainer for Walt Disney Studios. Covers personal and home protection, guard dog selection, training methods, police and security work, and care of working dogs. A sought-after title among dog trainers, K-9 enthusiasts, working dog handlers, and collectors of canine training books. Condition Very Good hardcover Clean pages with no writing or highlighting noticed Tight binding Bright covers and clean page edges Light wear at the top and bottom spine ends (see photos) Overall a particularly clean copy compared to many available examples A solid copy of a respected and increasingly hard-to-find dog training reference from one of the best-known names in working-dog instruction.