Access the library's Pinterest account at pinterest.com.
The login is firstname.lastname@example.org and the password is efieldlibrary.
Here are a few boards with a bookish slant…http://pinterest.com/jennie_stoltz/libraries-and-all-things-books/
More ideas about libraries using the "hottest new craze in social media":
20 Ways Libraries Are Using Pinterest Right Now
WebJunction’s Pinterest and Libraries page
More on How to Optimize Pinterest
Promoting Your Library through Pinterest from Libraryh3lp