For regular counting, there are lots of good choices, but here are a couple of my favorites: Blackjack Bluebook II, by Fred Renzey (a good overall introduction). Knock Out Blackjack, by Olaf Vancura and Ken Fuchs (a solid unbalanced counting system).
have all three strategy books... have come in 1st at goldstrike once,1st at samstown tunica once ....sometime 4,5, 6, 7th ... a lot of 0,0,0,0.....so ....it takes a lot of luck