The point ? 175 euros for that masterpiece is indeed well justified. The slight problem is that is cost what to actually produce the book : 10$ ?,Ok let's put it to 12 $ because it takes a lot of yellow color ?, I presume that Springer is having discount prices for that color, plus the percentage that Mr Berndt gets for each book, 20 $ ?, 30 $ ? , (this would be for a generous contract I say). The research and time spent by that author is priceless, every body agrees with that, the problem is Springer and I am not the only one saying this. I remember when I bought my copy of the Abramowitz and Stegun book for 12 $ canadian in Montréal, I thought that 12 $ was a really honest price, I had deep respect for those Dover books, we could get very high quality math books for a couple of bucks. I know some people that are managers of university libraries and I have been told that they can't afford these books too. Best regards, Simon Plouffe