This book contains general information about the world-wide tax system and how Bitcoin relates to it. It is therefore unique, and especially vaulable for those suddenly realizing they are making significant gains and wondering what to do next.
It is not an analysis of the current laws and procedures of every different country and income stream in the world. There would no point in trying to make this, because it would be outdated at the moment of publication.
If you think there is a quick fix for some of the most important factors in your life (wealth and taxes) this is not for you. There are more than enough people who you can pay to tell you what you want to hear.