I like the "NRA Firearms Source Book" for an all around general read. For tactical related books anything by Massad Ayoob is pretty good I have "Combat Shooting" which I think is his most recent.
A major source of objection to a free economy is precisely that it ... gives people what they want instead of what a particular group thinks they ought to want. Underlying most arguments against the free market is a lack of belief in freedom itself.
- Milton Friedman