They have a store on their website.
The store is donation-based.
Here is your guide to getting $100 worth of merchandise free.
They have Narnia stuff. I ordered the widescreen DVD. And CDs of Les Miserables. :)
They are evil. Cost them money!
(I'd say stick to the CD and DVD sections. I paged through the books and didn't find a single thing that wouldn't make me feel dirty just for touching it. So. I wouldn't bother, were I you.)