Submitted for the mock-up cover alone. Previous discussion here: http://news.ycombinator.com/item?id=4794171 http://news.ycombinator.com/item?id=4794171 His o

Submitted for the mock-up cover alone. Previous discussion here: http://news.ycombinator.com/item?id=4794171 http://news.ycombinator.com/item?id=4794171 His other book, Modeling with data, is also freely available as a pdf: http://modelingwithdata.org/about_the_book.html http://modelingwithdata.org/about_the_book.html