Do you like the book and want to get it? Support it by download the portable version, 300-pages, full of examples and data hacks ;)
After the purchase -name your price- you'll be emailed with the download link to get the book in its three formats: PDF, epub, and Kindle. The online version can be found at http://livebook.datascienceheroes.com
Thanks for supporting this open-source project, there is more to come!
~ Good luck with your data adventures.