All content is freely available on the web under a Creative Commons license, but please do think about buying a printed or electronic copy --- all royalties will go directly to Amnesty International.
One of the complaints about "Beautiful Code" was that chapters were all over the map. We therefore decided at the outset of this project to focus on architecture, not on the sociodynamics of open source projects. If you'd like to organize a book on the latter, I'd be happy to help you round up contributors.
- Greg Wilson