Teach yourself to play:
Quick-start course -- Teach yourself to bid and play with this 12-step guide.
Bridge for Kids and Beginners -- Introductory explanations and links to a wide range of articles on bridge history, etiquette, basic skills and learning strategies.
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.
Improve your skills:
ACBL Video Library -- Free videos on a wide range of topics, from bidding basics to tutorials for game directors.
Bridgehands.com training -- Online instruction, tutorials, quizzes and drills for beginners and intermediates.
Learn about scoring and proprieties:
Bridge Scoring -- Explanations and charts for scoring several forms of duplicate and rubber bridge games.
How to Keep Score -- Examples and instructions for Chicago four-deal bridge from Richard Pavlicek.
Take lessons:
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.