Guide to Better Scores - by Paul Carberry, Australian Coach - free to download and print for personal use, courtesy of the author.
The Art of Shooting by Prof. Phillip Treleaven - a crash course in Target Shooting. Free to download for personal use - no commercial use permitted.
Prone to Win - by Chris Fordham, fully-alive founder of Bedford Target Supplies. Many shooters think this is the best treatise on smallbore marksmanship ever written. Free to download for personal use - no commercial use permitted. Better - go to Amazon and buy it in hard copy.
Full-bore plotting charts - how to fill, use and analyse, by Nic Boyde, SERC Member.