Your purchase at is guaranteed to be in stock or we'll give you 20% off your next purchase

Over 100 million books from 6,000 booksellers — guaranteed. was created for book lovers, collectors and avid readers. We pride ourselves on having a place where independent online booksellers from around the world can list their quality used, out-of-print and rare books and you, the customer, can find exactly what you need.

We want to make sure that your book purchase goes smoothly. We want to make sure the book you need is delivered from the bookseller's shelf to your hands.

However, from time to time a book can sell out, or an inventory mistake can occur. This is rare, but it does happen, and we want to make sure you can quickly find another copy of that book.

If your purchase is canceled as "out of stock" or "unavailable by the bookseller," we will give you an exclusive coupon for 20% off your next purchase with us.

(It's really that simple.)

We appreciate your business. Whether it's building your own collection, finding a gift for a family member or friend, or stocking up for your book club, we want to be your stop for uncommonly good books. If you have any questions regarding your order, feel free to contact our Customer Service Team and we'll be happy to help.

The Fine Print: You must use an existing account or register an account when making the original purchase. Your coupon is non-transferrable and may only be used one (1) time. Not valid on shipping, taxes, gift certificates. Maximum discount $20. Limit 1 In Stock Guarantee coupon per each 30 day period. You will not be issued one if you are currently a bookseller listing books for sale on Biblio.