Limited War Sniping by Peter R Senich, 1st edition. 140pp A4 size. This is an excellent reference and has lots of unusual original photographs. Now out of print. This copy is secondhand iin VGC cover has a couple of small faults. Peter Senich is/was recognised as a leading authority on sniping, see also the Pictorial History of US Sniping prices on Amazon range from ?67 second hand to over ?700 new
Photo shows actual book