David Sklansky is a combination of Sklansky on Razz and Essays on Poker, with new material added plus a special section on tournament play. Many of these ideas are not as sophisticated as some of the others that Sklansky has put in print, but they are still absolutely essential to winning play. The essays section contains chapters discussing such concepts as having a plan, choosing your game, playing according to your bankroll, the three levels of expert poker, middle-round strategy, what your opponent reads you for, the protected pot, saving the last bet, extra outs, how to play a tournament, and many others...