Book excerpt: Hasbro's dice game YAHTZEE sells some 50 million copies every year, thanks to a winning combination of simple rules, competitive scoring, and modest price. But until now, most players relied on dumb luck in their quest for victory. Advantage YAHTZEE provides a surefire winning edge: an original strategy developed by an expert on game theory that virtually guarantees a high score, yet is simple and straightforward enough for the average player to use on every roll. There are millions of fiercely devoted YAHTZEE players out there, and this is the game-beating system they've been waiting for.