This page lists web pages for book dealers who can provide out-of-print and antiquarian material that publishers may not be able to supply. Of course, libraries are the most important resource for the literature of mathematics.
- Abebooks [marketplace for 12000 booksellers] (online international)
- Amazon (Seattle, WA USA)
- Association of American University Presses (AAUP)
- Australian Booksellers’ Association
- Alta mathematica (France)
- Barnes and Noble (USA and international)
- B. & L. Rootenberg’s Fine and Rare Books (Sherman Oaks, CA, USA)
- BookWire (from R.R. Bowker, New Providence, NJ USA)
- Computerbücher am Obelisk (München, Germany)
- Fachbuchhandlung Harri Deutsch
- ILAB – International League of Antiquarian Booksellers (the French website)
Internet Bookshop [W. H. Smith] (London, UK) - Le Monde en Tique (une librairie en informatique) (Paris, France)
- Moe’s Books (Berkeley, CA USA)
- Natural History Book Service (Devon, UK)
- Powell’s Books (Portland, OR USA))
- Stanford Book Store (Stanford, CA USA)
You can search for a book if you just know its ISBN at http://isbn.nu; in fact using a location of the form http://isbn.nu/1564924196
will automatically do a search for you (substitute the ISBN of the book you need), or http://isbn.nu/1564924196/price
will get a price comparison for you at several sites. You can even use the UPC instead of the ISBN.