In 1996, he wrote The New Hacker’s Dictionary (MIT Press), a book that defined the jargon used by computer hackers and programmers and detailed the writing and speaking styles of hackers. Besides presenting the portrait of J. Random Hacker, the book also provided interesting computer folklore.
Raymond’s 2001 book The Cathedral and Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary is required reading for those caring about the computer industry’s future, the dynamics of the information economy, and the particulars of open source. His Website can be found at http://www.catb.org/~esr/.