After years of collecting, research and photographing powder horns, the ultimate book on Pennsylvania Screw-Tip powder horns is now available! This high quality, coffee table style book is a great resource for identifying original Pennsylvania screw-tip horns, AND will provide the best information available for hornmakers and students of powder horns to understand the original horns. There are over 440 color photos in the book, with close-ups of both ends of each featured horn, along with general dimensions for the tips and butts of these significant powder horns. 317 pages, Hardbound with dust jacket. From Crazy Crow Publishing.