The good: There is a lot to like in this book. It puts a modern spin on some old ideas. I like the idea of not letting the regret of past actions or worry for future actions take you out of what is important right now. I really do think we spend a lot of time and energy worrying about things we really have no control over and it is a good thing to concentrate of the things we do have control over, which are all in the here and now.
I would dearly love to be able to shut down my thinking, at least occasionally and just be happy with where I am and what I am doing. I have never been able to meditate, more because i never understood why I should, but this book gives a good clear answer as to why meditation is good and can help you, although he does not go into meditation directly, I can see where it would be helpful. It also explained very nicely why some processes I use seem to work so well for me. Like when I have a problem I cannot solve, setting it aside and doing something else allows the answer to come from somewhere deeper inside me. I knew this worked for me, but I did not understand why it works for me.
I also really liked the idea of listening to yourself talk in your head and separating yourself from it so you can judge if what it is saying the correct thing, or if its just going off into directions that may not be the best option. I have always known there were two voices in my mind, the loud one and the one that is much softer and is often more like feeling than conscience thought. Reading this book, I realized the loud voice is basically a hammer I use to pound on problems with, while the other is more nuanced, that I often ignore.
The bad: I kind of felt like he was talking down to me throughout the book. I felt he expected me to “Just Get It” and when I did not, I felt myself resisting what he was trying to teach me. I also felt he was trying to sell me on something, which also caused some resistance in my acceptance of his message.
The ugly: The author is really not a very good writer, besides the above mentioned condescension, he also tended to repeat himself and towards the end of the book I found the repetitive nature of his writing style to wear thin. I also did not care for the question and answer format of the book, it made it feel like I should have already been familiar with his work and that I was missing something important, like I had not done my homework so to speak.
Overall, it is a pretty good book, it was well worth the read. However, if this is your first book of spirituality, I would suggest going for something a little simpler, perhaps a good book on meditation. This will help you understand some of the concepts he kind of expects you to have already grasped. He does have a book he wrote later Practicing the Power of Now, which I have not read, but is supposed to give you a basic framework and help you integrate his ideas into everyday life. In retrospect, I should have read that book first.