What you need when you need a book on a given subject, and that book in a library near you..... http://www.worldcat.org
WorldCat is the world's largest network of library content and services. WorldCat libraries are dedicated to providing access to their resources on the Web, where most people start their search for information.
Search many libraries at once for an item and then locate it in a library nearby
Find books, music, and videos to check out
Find research articles and digital items (like audiobooks) that can be directly viewed or downloaded
Link to "Ask a Librarian" and other services at your library
Post your review of an item, or contribute factual information about it
WorldCat.org lets you search the collections of libraries in your community and thousands more around the world. WorldCat grows every day thanks to the efforts of librarians and other information professionals.