According to Doyle

Newly revised and expanded, this best-selling classic includes the latest rule changes and shows players hoe to adjust and maintain an edge on the casino. New update includes strategies and advice on playing blackjack on the Internet and the 6-5 insurance rule-how it affects the odds and winning chances-plus a new section on strategies professionals use to beat the casino-the secret advantage strategies including shuffle tracking, front loading, back counting and more.