Any discussion of advanced Hold 'em strategy has to begin with the Holy Bible of power poker, Doyle Brunson's Super System. Originally published in , the. We all acknowledge that poker is a game of skill, but because of the uniqueness of each situation, we can often miscalculate our own skill when. If you were to ask one of the top poker players about the secrets to their success, they'd probably send you packing. Why on earth would they give away.