Bridge Bidding

About The Book

"Bridge Bidding" is a free book written for Contract Bridge players whose ability ranges from advanced beginner to advanced. The book has an open-source license.

Open Bridge Bidding Book

The book's copyright page has links to obtain the book as a PDF, as a file for your e-book reader or tablet, as a download for offline use, or as a collection of individual text files for each chapter for easily sharing a topic with a partner.

About Paul

Paul F. Dubois pioneered scientific computing techniques, including computational steering, the Basis System, Numerical Python, and the use of object technology for scientific programming. He retired from Lawrence Livermore National Laboratory in 2005.

Paul is a Ruby Life Master in the American Contract Bridge League, Unit 539 (San Diego).

Read the full biographyTechnical autobiography (PDF)

What's New?

11/2026

Using Grok Bot we have corrected numerous typos and considerably improved the index. Many chapters have been restructured or clarified. New summary tables have been created and given their own chapter.

10/1/2026

Paul continues to be in the top ten contestants in the Realbridge.online bidding contest conducted by Marc Smith. Paul finished in the top ten in 2024 and 2025.

Elsewhere On This Site

The Biography page has a link to a technical autobiography about Paul's career and the creation of computational steering at Lawrence Livermore National Laboratory.

The Contact page tells you how to send comments or questions.