Dont miss this:
At Martin Joyals (inventor of Joyal Stack) web you can get a free new copy of the book Mnemonica by Tamariz.
Go to his web: www.joyalstack.com
Click on Messageboard and go to forum Mnemonica Stack and read the post Tamariz, there you will find info about how to get a copy for free :)
This offer is between August 1 and 31, 2004.