Online Options For Independent Bookstores

How do Independent Book Store-s sell their product online, without building their own technology? How do customers find rare and used books, or shop online at a favorite local independent store?

Michael Mould compares (2006) A Libris, AbeBooks, Amazon, and EBay from the bookstore's perspective.

Alan Bamberger compares (2003) AbeBooks, A Libris, AddALL, Book Finder, and Book Finder4u from the purchaser's perspective.