Negative Doubles for Acol Players

You don't play negative doubles but feel it's high time you started so that your partnership can benefit from this essential competitive technique? You do play negative doubles but are a little hazy about how they operate? You play negative doubles, understand them well but would like to sharpen up your competitive edge? In each case Marty Bergen's Negative Doubles for Acol Players is the book for you. Bergen, ten times US National Champion, covers the hands which are ideal for the negative double, those which are imperfect but still qualify and those which you must not double. Also included are aspects of hand valuation, opener's replies to the negative double, rebids by the doubler and when to play for penalties.