After watching a few of the author's videos, it was obvious he knows what he is talking about. Unfortunately, the book is filled with simple grammatical errors, repeated sentences and out of order pages! Even if you overlook the printing issues, you won't find much content. The majority of the information is common sense. It hardly lives up to being a comprehensive guide. It's like they published the first draft of a basic safety lecture. The chapters might pass as blog posts but I expect a higher standard when you print a book. I am considering returning it. Hopefully, the author will write a decent second edition in the future.