Due to a screwup on my part, the PayPal "Buy Now" buttons that I had on this site were not rendering correctly. I've re-implemented how they show up, so they should appear correctly now. Click on any of the above links to go to a page where the proper "Buy Now" button appears.
(If you still have trouble finding anything or making it work, holler at me in the comments and I'll fix it.)
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Other Lives Of The Mind