That's hot news in the NYT, but of course, insects have been enjoying the nourishment of books for a long long time, and book-readers love to use the metaphor of insects-feeding-on-books for themselves. What do you think a bookworm is?
Bookworm is a popular generalization for any insect which supposedly bores through books. Actual book-borers are uncommon....Even less attractive: iPad, Nook, and Kindle.
A major book-feeding insect is the book or paper louse (aka booklouse or paperlouse).... It is not actually a true louse.
Many other insects, like the silverfish (Lepisma saccharina) or cockroach (various Blattodea), will consume these molds and also degraded paper or the starch-based binding pastes – warmth and moisture or high humidity are prerequisites, so damage is more common in the tropics. Modern glues and paper are less attractive to insects....