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First edition
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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.