http://www.amazon.com/exec/obidos/ASIN/0441003486
Not that it matters much, because it's out of print.
See also WhereToBuyBooks. (This is a really good place to look; lots of used copies are available from a number of different sellers.)
JeffGrigg also read this book, and found it memorable and very interesting. I thought about it a long time after reading it.
The book has been re-issued; I bought it, new, in a mainstream bookshop in the UK a few weeks ago. I hadn't seen this page then, but, yes, it was a very good book, I have to agree with the views on this page. --AndyMorris