Thanks for the suggestion! I've actually read TFS, and I would even consider myself a "fan" of psychology, I definitely don't think it's mumbo jumbo. But in my opinion the book was quite shallow, only scratching on the surface of the matter.

Edit: To clarify, shallow is maybe the wrong word. I think the book gets its main point across very well, and it's a good point. But the majority of the book is just further evidence supporting that main point. Which is fine, but I wish it would develop this main point a bit further. The book could be summarized in a short paper and wouldn't lose too much of its value, in my opinion.