a book for the blind; in braille, you see, is blank - has no ink, no letters. To us, the sighted, the privileged, it is a blank page. Only the disabled, the helpless, the inferiors - only they can see what the embossed pages have to offer. And so we become the blind in our turn.
http://www.boston.com/bigpicture/2008/09/observing_ramadan.html#photo27