1. Kay, Norman / Silodor, Sidney / Karpin, Fred.

The Complete Book of Duplicate Bridge.

New York, Barnes and Noble Books, 1972. 13.5 x 21 cm. XIII, 496 pages. Original Softcover. Good condition with some signs of external wear. Small bookplate on inside front cover. Edges bumped.

2. Coffin, George S.

Bridge Play from A to Z. Edited with an Introduction by Guy Ramsey.

Republication of the revised third edition of 1961. New York, Dover Publications, Inc, 1979. 21.5 x 13.5 cm. 350 pages. Original Softcover. Very good condition with only minor signs of external wear such as creased cover and rubbed edges.