In the Philly region, Janet Cardiff and George Bures Miller are famous for their spooky art installation Pandemonium in Cell Block Seven at the über-scary old Eastern State Penitentiary in Philadelphia. But they rubbed some booklovers the wrong way with their installation titled The House of Books Has No Windows, which was constructed out of antiquarian books. But this video, which explains that they actually rescued the books from the pulp mill, should assuage bibliophiles’ concerns. Better art than pulp.