J. B. Elwell 
Bridge Axioms and Laws With the Change the Suit Call [PDF ebook] 
Revised and Explained

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The best Bridge players are undoubtedly those Who can draw inferences quickly and correctly. Observation is an art enabling one to discover What other peo ple’s play conceals — as Well as re veals. Observation always infers, and one inference Will lead to another. Each card played speaks through its silence, and its lan guage must be understood.