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Where’s Information Comes From

Book pricing from each store is retrieved directly from each bookstore with its permission. No title's price is retrieved more frequently than once every several hours to reduce operational stress on the bookstores with which partners. Errors in pricing at those bookstores should be reported directly to the stores via their Help Desk or Customer Service addresses.

Because is an ecommerce site that helps readers quickly find titles they're interested in at the best price via online bookstores, we do not consider ourselves a definitive source of book information, and we disclaim all warranties for the information we display (see below). If you are looking for more definitive sources, turn to the Library of Congress Cataloging Distribution Service, among other public and private sources. We make every effort to be current and accurate. does not sublicense its data, servers, programs, or services.

Disclaimer: Glenn Fleishman, and its affiliates and partners disclaim all warranties express or implied about the accuracy, timeliness, merit, merchantability, or value of the information provided. Information is subject to change without notice. Annotations are non-evaluative descriptions.