"The Koehler Method of Guard Dog Training" by William Koehler is a vintage 1967 hardcover book that offers a nonfiction approach to training guard dogs. Published by Howell Book House Inc, this illustrated book is written in English and intended for adult audiences interested in pets. It provides insights and techniques for training dogs in the 1970s era, making it a valuable resource for those looking to enhance their knowledge in the field of dog training.
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