Open Source Books
You have found the way to Books on Open Source:
See also:
Free for All - Full text of Peter Wayner's book, subtitled "How Linux and the Free Software Movement Undercut the High-Tech Titans". [PDF]
The Linux Cookbook - All-encompassing book on using open source software, which itself is open source and available online.
Open Sources: Voices from the Open Source Revolution - The full text of this O'Reilly book has been made freely available online.
Perspectives on Free and Open Source Software - Book edited by Joseph Feller, Brian Fitzgerald, Scott A. Hissam and Karim R. Lakhani. Full text as PDF downloads of each chapter.
Producing Open Source Software - How to Run a Successful Free Software Project - Book by Karl Fogel. Full text freely available as HTML, PDF, and XML. Help build the largest human-edited directory on the web.