My Modern Met has posted some incredible pieces of book art:
Using knives, tweezers and surgical tools, Brian Dettmer carves one page at a time. Nothing inside the out-of-date encyclopedias, medical journals, illustration books, or dictionaries is relocated or implanted, only removed.
More photos of Dettmer's work and an interview here. On the role of the web:
The internet has been great because it has been self-perpetuating for my own work. After the work, I think the most important thing is to take good images and to allow others to grab them and let them spread. I don't twitter and I'm not on Facebook and I don't really have to promote myself at this point. It's a cliche but things really work from the bottom up now. I have been really fortunate with bloggers and other sites mentioning my work and that leads to magazines, newspapers and other press and more opportunities for my work to be exposed to an audience.