Because it's a book. What makes you assume its blank? Maybe the artist didn't just leave out the detail on the pages, and there would be braille on it.
"And so, the passion between the lovers grew stronger, harder, girther, just like his tool under the matress. The same tool that she took between her hands and took it near her...."
"Oh my my..."
Wonder about the possition of her fingers... hrmmmm....
CID 1286, posted on May 28, 2009:
Doesn't look like a very comfortable reading position.