DID:Book sources

See Wikipedia:Book sources for a long list of libraries and book sellers.

United States

 * Amazon.com (igdid)
 * Goodreads
 * Google Books
 * Albiris.com
 * Abebooks.com
 * BetterWorldBooks, US
 * PaperBackSwap.com
 * Barnes and Noble, US

United Kingdom

 * Amazon.co.uk (pods-online)
 * ReaditSwapit.co.uk