Twitter

Web Sites

Web Articles

Books

Twitter API: Up and Running: Learn How to Build Applications with the Twitter API

By Kevin Makice

Buy From Amazon List price: $34.99   Amazon price: $22.97

Technical details for folks who want to connect to Twitter via the API (that is, you're writing your own software, either client or web-based).

Twitter Tips, Tricks, and Tweets

By Paul McFedries

Buy From Amazon List price: $19.99   Amazon price: Not Available

Twitter Power: How to Dominate Your Market One Tweet at a Time

By Joel Comm

Buy From Amazon List price: $24.95   Amazon price: Not Available

The Twitter Book

By Tim O'Reilly and Sarah Milstein

Buy From Amazon List price: $19.99   Amazon price: $13.65

An excellent introduction to Twitter, in an easy-to-skim style.