Book excerpt: The first in a series of gambling books that will give readers a warrior approach to poker, leading journalist and poker columnist John Vorhaus begins by changing a player's state of mind, from a passive reactive player to a strong, proactive player, and then shows him or her how to dominate the game and crush opponents. Giving players the psychic edge and practical tools to play like an expert, as well as teaching them how to spot the weaknesses and strengths of other players, and how to use them to their own advantage, this book offers the attitude needed to win the game.