You won't need bookends with these shelves designed by Luke Hart. Just stretch out the silicone until the books fit snugly. They're on display today in London at the Sculpture House of the London Design Festival.
http://www.behance.net/gallery/Rubber-Shelves-for-The-Sculpture-House/2150469 -via Colossal
Pretentiously Retarded Design Masturbation
Really? 7 shelves for what could fit on 1.
I dunno but I don't think this works if you want to fill up all the shelves. And to be honest I don't even think this looks pretty.