Something a little fancy.
A bookstore?
A homestore?
I’ve been looking for them for a while but can’t find any (well not any but not any that I want to buy).
Bookstore, furniture store, departmrnt store, IKEA.
Try a search on Froogle, Google’s new shopping search engine: http://www.froogle.google.com. A search on “bookends” turned up some 66,000 hits.
A couple of bricks work pretty well,
Any office supply will have them from basic utilitarian to CEO-office finery.
Have you seen the Fellowship of the Ring gift set? 
Barnes & Noble bookstores.
Ebay…
Yeah, ebay. You should find plenty of them.
My brother wanted a teapot that I couldn’t find in any local stores but sure enough, there at ebay it was.
Crate & Barrel?