============= First edition ============= The first edition of the ebook was one of the winners of the `first open textbook challenge `_ issued by the `Saylor Foundation `_. It is available in several formats : - :download:`pdf <../web/1st/cnp3.pdf>` - :download:`epub <../web/1st/cnp3.epub>` - `html `_ It has also been published by the `Saylor Foundation `_ on iTunes as https://itunes.apple.com/us/artist/olivier-bonaventure/id494527982?mt=11 The first edition is not actively developed anymore. There have been attempts to translate the book in French and English, but none of these projects finished.