While Nathan Dungan makes a good case that our culture is becoming more and more materialistic and there is more and more pressure on kids to conspicuously consume, I think that he spends too much time making the case. I bought the book precisely because I was concerned about instilling sound financial values in my own children, so I think he didn't need to spend well over half the book convincing me that it's something to be concerned about.
His share/save/spend philosophy is a good one from a 50,000 foot view, but I would have appreciated more concrete actionable plans. Don't get me wrong, there are specific suggestions and exercises (some of which I plan on impleenting), and discussion topics for dialogs with your kids, just not to the level I was expecting. There are also plenty of anecdotes about what other families have done, both good and bad, but I'm always a little uncomfortable with "advice by anecdote" vs. advice by research. There are plenty of citations, and I may be wrong, but it seemed to me that most of the citations regarded the impact of our materialistic society and the current state of affairs with young people getting into financial trouble, rather than studies regarding specific advice and how kids react to the peer pressure and financial environment. Also, a lot was said about peer pressure, and a lot was said about not caving in to it, but not a lot was said about helping kids cope with it in their daily lives.
In the end, I suppose this is a very difficult subject to write about. Every family situation is different, with different levels of income and affluence. Even if I can afford to buy certain things for my kids, where do I draw the line? The world is certainly different than the world I grew up in, but I think it's unrealistic to say "this was how it is when I grew up, so you should live in that world too.