Teach yourself to play:
Learn to Play Bridge I & II -- Start your self-teaching project by downloading these free software packages from the American Contract Bridge League (ACBL). You can take the lessons offline, at your own pace. You need no prior card-playing experience.
Bridge for the Absolute Beginner -- Introduction to bridge from Baron-Barclay
Introduction to bridge -- ACBL's concise overview of the purpose of the game and the basics of bidding and play.
Richard Pavlicek's Beginner Lesson -- An excellent overview for the complete beginner, with a link to the full text (12 chapters plus quizzes) of Pavlicek's Bridge Basics textbook.
Bridge World Magazine Introduction to Bridge -- Detailed articles on the basics (even on how to deal the cards!), written by well-known bridge writers.
MSN Bridge lessons and beginner tips -- Rules, quizzes and an archive of articles for learners.
Bridge Today Beginner Lesson -- An interactive introduction to the basics.
Improve your skills:
Fifth Chair Bridge Lessons -- Guidelines, tutorials and quizzes on beginner topics, hosted by a foundation devoted to attracting new players.
Bridgehands.com training -- Online instruction, tutorials, quizzes and drills for beginners and intermediates.
Mastering Bridge -- Articles and instruction from Masterpoint Press.
Learn about scoring and proprieties:
Rubber-Bridge Scoring -- A handy, one-page scoring chart for rubber bridge from Baron-Barclay Bridge Supplies.
How to Keep Score -- Examples and instructions for Chicago four-deal bridge from Richard Pavlicek.
Bridge Teachers -- Find a bridge teacher or class in your hometown in this listing from the American Contract Bridge League.
American Bridge Teachers Association -- A state-by-state listing of ABTA member teachers.
Bridge Today University -- Weekly email lessons from leading bridge writers and teachers.