The book is more of a self-coaching guide. What I liked about this book is that it is written in a very simple and easy to understand manner. Anyone could use this as a reference guide and use it to coach themselves when they are stuck in an issue and are looking for answers. The templates at the end of every chapter will help you structure your thoughts and think through the problem at hand.
The not so interesting part is there is nothing new about this concept. I see this as a slightly enhanced version of the GROW (Goal, Reality, Options and What Will you Do) model of coaching. Starting the process by creating your Vision as the first Step is the additional part added here and the last sixth step is what happens in any coaching engagement where you would sit with your coach and review your action items on a periodic basis.
While I would recommend this book as a good reference book, people familiar with coaching and especially with the GROW model will find nothing new here. To get my point, I would suggest reading "Coaching For Performance" by Sir John Whitmore.