Let us collect here good books to read on free software and free culture.
https://www.ibiblio.org/ebooks/Lessig/Free_Culture/Free%20Culture.htm
Free Culture | LESSIGhttps://www.gutenberg.org/ebooks/5768
https://www.oreilly.com/openbook/opensources/book/
http://www.catb.org/~esr/writings/cathedral-bazaar/cathedral-bazaar/