Erlang finally has a book out in print again (almost): Programming Erlang, written by Joe Armstrong. The best part of the story is that the publisher is allowing a combo purchase of a beta PDF plus the print book when it's available. How cool is that? I think this model makes a lot of sense with the speed that technologies move these days. Imagine how much they could have made riding the Ruby on Rails hype train a few months earlier than any other publisher with a 70% finished beta PDF plus a...