Didn't it say on the product page that 'Andrus Card Control' is expected 'back in stock' on or about May 8th?
http://www.penguinmagic.com/p/S5314
Or, you can do a quick search. It is available elsewhere immediately.
fyi...although only the paperback is offered here, there is a spiral bound format that may save you a few dollars.
By the way, who is "Jenny"? Kidding! ;-)