Started. Getting Real. Here are the 16 chapters and 91 essays that make up the book.
Introduction chapter 1 What is Getting Real? Getting Real: The Book by 37signals. How to Get Started with Getting Things Done on BNET. Last Updated Sep 11, 2008 2:34 PM EDT David Allen's Getting Things Done time-management system is based on some pretty esoteric concepts ("knowledge work," "distributed cognition," the "ready state" of martial arts, and so on), but in actual practice it's cheap and very much do-it-yourself.
His bestselling book, Getting Things Done, lays out the method comprehensively, but his fans are so legion that you can actually piece together the elements of his program just by browsing the blogosphere.