Free services include the Auction Search tool and the book collecting periodical, AE Monthly. Subcribers can search the Bibliographic Database of books, maps and ephemera.
Collects and sells new and used books online to fund literacy projects worldwide.
This web site links to live and online auctions and gives high and low price estimates for hardcover books.
Searches out-of-print books that are available from thousands of booksellers worldwide.
How do you tell if an old book is "rare" or just "second-hand"? This website will tell you! There are also tips on how to care for old books, how to find an appraiser, and more.