If anybody is interested this is the book that Jim Puplava recomended that people who want to learn about money get from amazon.
What Has Government Done to Our Money.
It is available for free in mp3 format here
http://www.mises.org/media.aspx?action=author&ID=299
scroll down to the bottom where it says
From the book "What Has Government Done to Our Money," as read by Jeff Riggenbach.
The 6 chapters are all seperate mp3 files.