This is the greatest bridge problem collection ever! Any Questions? Julian Pottage has developed a well-earned reputation as a great problem constructor. His answers are sharp, to the point, and usually make you say, ''of course.'' Problem collections usually contain 50-100 deals. This one has almost 200, each fresher than the last. Try one problem each night before you go to bed. No sleeping until you get it right.Julian is an Associate Editor for Mr. Bridge, publisher of ''Bridge'' and contributes to many bridge magazines.