To determine the value of a rare book, search for the book on AbeBooks.com or the Used Books section of AddALL.com to see current prices for the book, as of 2015. Alternately, take the book to a bookseller or book appraiser for information about the value. Booksellers who are members of the Antiquarian Booksellers' Association of America evaluate and buy rare books. Find members through the Booksellers section of ABAA.org.
To check book prices on AbeBooks.com, visit the AbeBooks.com homepage, and click Rare Books. Enter the book's information, and perform a search.
To check prices on AddALL.com, visit the AddALL.com homepage, and click Used Books. Perform a search for the book.
To find booksellers in your area to evaluate a book, visit the ABAA.org homepage, and click Booksellers. Perform a search using the search tool under the Find ABAA Members heading. Search by state/province or region.
Factors that affect a book's value include its condition, rarity and desirability. For books with dust jackets, the condition of the dust jacket affects the value. The condition of a book depends on its age and printing method, while its rarity depends on how many copies exist. A book's desirability depends on its popularity and importance.