GUS One Club: Book 7 in the GUS bridge series (GUS relay bidding) (Volume 7)

This is the most advanced strong-club relay system for the game of bridge. This book features the one-club opening bid and relay sequences. It's powerful tools will help you bid to magical games and slams, and it's exciting out-of-the-box methods will make you enjoy the game of bridge more than you ever dreamed.