Ben wrote: Amazon books www.amazon.com - after some 7 months of
persistence! ( For US$45.99 I might add).
And Nita wrote: Try
http://www.bookfinder.com
You might have more success in locating used books, and often you'll the
opportunity to choose quality and price.
You can also try:
http://www.bibliofind.com
They've got quite a few copies of The Paleolithic Prescription for $25 U.S. (and less for a couple of copies in paperback).
Another good one is
http://www.abe.com
They have a few copies as well.
Deborah