The Complete Book of Duplicate Bridge (OOP? Hidden) by Kay

This 1993 revised and updated edition covers important topics such as mechanics, scoring, strategy, preempts, weak twos, overcalls, doubles, and defense in more than 500 pages. This highly-recommended book deals in detail with all of the special tactics needed in duplicate bridge.

Undoubtedly the most comprehensive and authoritative book ever written on duplicate. -Alan Truscott, New York Times