hello, I wanted to ask is blackjack for blood a book that's too dated to learn from to count cards. I mean the Advanced Omega II system, is it still effective to play in a casino game with double-deck games? If not what system is good for a DD, Hs16, double only on 10-11. that and 4D Hs16, DAS, Double on any two cards are the kind of games available in the casinos near me. 