BOOK REVIEW: SHEEPDOG TRAINING, AN ALL-BREED APPROACH BY MARI TAGGART reviewed by Kay Spencer first published in 1986, second printing 1991, Alpine Publications 1986 edition: hardback, sewn binding; paper quality excellent. Many black and white photographs. Mari Taggart is a Border Collie trainer who both owned and worked with loose-eyed breeds at a time when herding training was almost entirely focused on Border Colllies. Her first book was Heeler Power: A Guide to Training the Working Australian Cattle Dog, published…