Yes. I officially launched the book at the end of January. I delayed doing a HN launch until I was sure people enjoyed the book and I knew there would be some i

Yes. I officially launched the book at the end of January. I delayed doing a HN launch until I was sure people enjoyed the book and I knew there would be some interest. The unfortunate truth is that book writing is a low margin game and you shouldn't do it for the money. Development or actual data science is far more profitable. But there are many other intangibles :)