Benchrest shooting:
1) The Accurate Rifle by Warren Page
2) The Ultimate in Rifle Accuracy by Glenn Newick
3) The Accurate Varmint Rifle by Boyd Mace
Rifle Marksmanship:
1) Marksmanship, An illustrated guide to better shooting by Gary L. Anderson
2) Successful Shooting by Bill Pullum and Frank Hanenkrat
3) Competitive Shooting by A. A. Yur' Yev (An excellent, and by far, the finest in Competitive shooting by a Russian rifle coach translated and published by the N.R.A. Includes pistol).
High Power Service and Match Rifle competition:
1) The Competitive AR 15 (the mouse that roared) by Glen D. Zediker
2) High Power Rifle by (the incomparable) G. David Tubb
3) Black Magic, The Ultra Accurate AR-15 by John Feamster
I hope this helps!