Dennis, Jack. WESTERN TROUT FLY TYING MANUAL. Jackson Hole: Snake River Books, 1974. 1st edition. 4to, 258 pp., paperback. Signed by the author. Drawings by the author. Photographs by Dan Abrams, color fly plates by Roger La Vake. Some information on fly tying tools and techniques, but an extensive treatise on tying flies for fishing western rivers. The cover has a clear plastic cover put on by the previous owner. Very good.