Each time you reach 500 points you earn a free book reward, good for a free used book valued up to $5 at the Reader level.
Free book reward applies to a used book up to the stated value. Rewards count toward your free shipping threshold.
At the Bookworm tier, each free book reward is good for a used book valued up to $6.
Tier benefits are based on spending. Reward value increases at higher tiers.
Free U.S. standard shipping is valid on orders of $20 or more (excluding taxes) shipped to a single U.S. address.
Order total calculated excluding taxes. Must ship to a single U.S. address.
ReadingRewards is ThriftBooks' free loyalty program where you earn points with every purchase and redeem them for free books.
Free to join. No code required. Free book rewards can be combined with other discounts and count toward the free shipping threshold.
All domestic US orders of $20 or more automatically receive free standard shipping at checkout, with no code required.
Applies to US orders of $20 or more. Free book reward value counts toward the threshold.
Free loyalty program where you earn points with every purchase; 500 points earns a free book (up to $5 value).
Free to join. 500 points = one free book up to $5 value.
As of Aug 12, 2026, this page tracks 6 active ThriftBooks offers. The mix includes 0 promo codes that require entry at checkout and 6 automatic deals.
We track ThriftBooks deals straight from ThriftBooks' official site, not from other coupon sites, and check each one before publishing. A Verified label means the offer was present on ThriftBooks' own source on the date shown, with a link so you can see for yourself; new entries are Pending until confirmed. Expired codes are moved out of the active list. See how we work in our editorial policy.
| Offer | Type | Last checked | Source | Status |
|---|---|---|---|---|
| Free book every 500 points | Deal | Jul 18, 2026 | Official page | Verified |
| Bookworm: free book up to $6 | Deal | Jul 18, 2026 | Official page | Verified |
| Free shipping on orders $20+ | Deal | Jul 18, 2026 | Official page | Verified |
| Free ReadingRewards program | Deal | Jul 18, 2026 | Official page | Verified |
| Free shipping | Deal | Jul 11, 2026 | Official page | Verified |
| Earn free books | Deal | Jul 11, 2026 | Official page | Verified |
ThriftBooks bills itself as the world's largest online independent used bookseller, and its whole model is aimed at making books cheap without making them a gamble. Founded in 2003, it pulls inventory from libraries, donations, its own BuyBack program, and resale partnerships, then hand-grades every book from Like New down to Acceptable so the listing tells you what you're actually getting. For readers who care more about the words than a pristine spine, that transparency is the point, and it's how ThriftBooks keeps prices low across an enormous, unpredictable catalog. Savings compound through the free ReadingRewards loyalty program, which turns purchases into points toward free books. Hit 500 points at the Reader level and you earn a free book; climb to the Bookworm tier and the free-book reward is worth up to $6, so frequent buyers effectively lower their average cost over time. Shipping is the other everyday lever: U.S. standard shipping is free once an order reaches $20, and helpfully, free book rewards count toward that threshold, so redeeming points can also unlock free delivery. Because inventory is secondhand and constantly changing, return terms are stricter than a typical new-book retailer, and returns must be authorized in advance with the provided label. ThriftBooks earns attention from budget-minded readers, series completists, and collectors hunting out-of-print titles who want steep everyday value and a loyalty program that quietly pays for itself. The codes and deals above are sourced from ThriftBooks' own site and verified before listing.
Shop the used and new catalog and check each listing's condition grade, from Like New to Acceptable, so the copy matches your expectations before you add it to the cart. Sign up for the free ReadingRewards program to start banking points on purchases: reach 500 points at the Reader level for a free book, or earn a free book worth up to $6 at the Bookworm level. To skip shipping charges, build your order to $20 or more for free U.S. standard shipping to a single address; note that free book rewards count toward that $20 threshold, so a redeemed reward can help you cross it. There's no traditional promo-code emphasis here, since the discounts come from low used-book pricing plus loyalty points. If you need to return something, request authorization first and use a ThriftBooks return label, since unauthorized returns may be discarded without a refund.
Free U.S. standard shipping on orders of $20 or more (excluding taxes) shipped to a single U.S. address. Free book rewards count toward the free shipping threshold.
ThriftBooks only accepts returns that are authorized in advance and shipped using a ThriftBooks return label or per ThriftBooks' return instructions. Media items (vinyl, DVDs, video games and other media) are accepted only in unopened, original condition. ThriftBooks may charge a restocking, handling, or return shipping fee for returns not resulting from its error; delivery fees, taxes, and handling fees are non-refundable. Unauthorized returns may be disposed of without refund.
Summarised from ThriftBooks's official policy pages (source), last checked Jul 18, 2026. Always confirm current terms at checkout.
Free U.S. standard shipping is valid on orders of $20 or more, excluding taxes, to a single U.S. address. Free book rewards earned through ReadingRewards count toward reaching that threshold. Shipping to one U.S. address is required for the order to qualify. Bundling a few titles is an easy way to clear the $20 minimum.
A free loyalty program where you earn points on every purchase and redeem them for free books, with no code needed. There is no cost to join, and rewards apply automatically. Each time you reach 500 points you earn a free book reward. It is a straightforward way to save for regular readers who buy used books.
Every time you reach 500 points you earn a free book reward, worth up to $5 at the Reader level and up to $6 at the Bookworm level. Higher loyalty tiers increase the value of each reward. Free book rewards also count toward the $20 free shipping threshold. No code is required, so rewards apply automatically.
Every book is hand-graded from Like New to Acceptable, with clearly defined condition ratings. This human inspection helps set accurate expectations before you buy. The grade reflects the physical wear of that specific used copy. Note that media items like vinyl, DVDs and video games are only accepted for return in unopened, original condition.
Returns must be authorized in advance and shipped with a ThriftBooks return label or per its return instructions. Fees may apply for returns not due to a ThriftBooks error, including restocking, handling or return shipping charges. Delivery fees, taxes and handling fees are non-refundable. Unauthorized returns may be disposed of without a refund, so always get authorization first.
This page currently tracks 6 active offers: 6 automatic deals. The list changes as offers are added, expire, or are withdrawn.