I lived in Las Vegas for 5 years and played blackjack almost every day. I didn’t play for fun. It was strictly business. I never gambled by playing roulette or craps or slot machines. Every hand I played was based on the mathematics of it. My guide (to begin with) was a book called Playing Blackjack As A Business which detailed card counting and a computer-tested basic strategy. It’s somewhat out-of-date these days. Better guides can ...