I learned quite a bit of new information on various calibers, history, terminology, and many of the "why's" I did not know before when I took up handloading- most of the reloading manuals do a great job of this. You can pick them up for very little:
Also, I like this one for rifles:
TheGolden Rule of Tool Use: "If you don't know what you are doing, DON'T."
Last edited by jimbob86; September 4, 2012 at 09:36 PM.