This book investigates the strategic principles and techniques essential for successful defense in the game of contract bridge. Authored by Hy Lavinthal, a noted bridge player and writer, this work draws upon extensive experience and analysis of bridge hands to present a comprehensive guide to defensive play. The book aims to equip players with the knowledge to anticipate opponents' bids, manage their own hands effectively, and make crucial decisions that lead to favorable outcomes for the defense.

This book is recognized as a foundational text for intermediate and advanced bridge players seeking to improve their defensive capabilities. Its detailed explanations and practical examples are often cited as instrumental in developing a more robust understanding of defensive strategy. The work is valued for its clear articulation of complex concepts, making it a recommended resource for serious students of the game.