Jim pointed out the Service Rifle guide written by the US Army Marksmanship Unit. I said it was $10 on amazon. I was wrong though haha.
It's $7.30 on the Civilian Marksmanship Program website.
https://estore.thecmp.org/Catalog/Item/780 (https://estore.thecmp.org/Catalog/Item/780)
Or free on the internet!! http://www.nfga.org/highpower/pdfs/basic_highpower_info/SR_Shooting_Guide_AMU031204.pdf (http://www.nfga.org/highpower/pdfs/basic_highpower_info/SR_Shooting_Guide_AMU031204.pdf)
I'm a bigger fan of books though.