“People still think of libraries as old dusty books on shelves, and it’s a perception we’re always trying to fight,” said Michael Colford, director of information technology at the Boston Public Library.”
From the New York Times, 15 Oct. 2009.
Book Conservation Services
Peachey Conservation 
When we de-accessioned 30K books from the library I used to work at, we made sure to save all the book dust. The dust was spread around all the terminals so as to replicate the sensory experience of a library with books.
Gary