SW
Sam Williams
Free as in Freedom: Richard Stallman's Crusade for Free Software (ISBN 0-596-00287-4) is a free book licensed under the GNU Free Documentation License about the life of Richard Stallman, written by Sam Williams and published by O'Reilly Media on March 1, 2002.
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books
Free as in freedom
2002
ISBN 9780596002879
Toddler Bedtime
1998
ISBN 9780001982031
The Teddy Bears' Trick or Treat
2001
ISBN 9781856023894
¿Eres un abusador?
2012
ISBN 9781627175593