Hey, just updated my book[0] at Leanpub with a book sample up. I have sampled the introduction and a chapter on tools. Any feedback would be great! [0] - http

Hey, just updated my book[0] at Leanpub with a book sample up. I have sampled the introduction and a chapter on tools. Any feedback would be great! [0] - https://leanpub.com/successfulunittest https://leanpub.com/successfulunittest