Please see the README on the front page of the project with my update.
https://github.com/martinemde/learn-ruby-the-hard-way
I've calmed a bit since the original postings. I can see why he was upset and I know that the right thing to do was to remove the book. I had good intentions and I did this out of homage, not to steal or claim any credit.
I've always been a fan of Zed's work. I will continue to be despite getting defensive about this.