Proposes stamp collections themed on the card game. Presents a history of the game.
Proposes bidding polls and play contests, quizzes, puzzles. Presents articles, humor, lesson material, calculators and utilities.
Provides lessons to beginners of the game, and a conventions section. Includes book reviews, and a link to ask questions.
Offers advice for advancing players on dupplicate tournament play and all aspects of the game. Includes a forum and sells a CD ROM.
Proposes an introduction to the game, explanation of bidding systems and play techniques.
Provides information about an Alberta team, their systems and result, a forum and technical articles.
An eleven chapter e-book featuring dynamic defensive problems solved by new signals. Full text available online, or download in text or zip formats.
Independent news from around the world.
Presents the history and rules of the game.
Provide a repository of problems and examples of incorrect analysis by prominent writers.