ISBN: 1451523343
Buy on Amazon
Found in 1 comment on Hacker News
I'm sitting next to Ben right now, and he's blushing at all the attention. He says he keeps meaning to do a v2.

Anyway, if you really like this, you should consider getting a physical copy: http://www.amazon.com/Git-Magic-Ben-Lynn/dp/1451523343/

Fresh book recommendations delivered straight to your inbox every Thursday.