Home · Industries · Books & Publishing

Barcodes for Books: ISBN-13, Bookland EAN, and Self-Publishing

Every print book sold at retail needs an ISBN encoded as an EAN-13 barcode on the back cover. Here is the publishing playbook — ISBN sourcing, price add-on, BISG placement, KDP vs IngramSpark vs Bowker.

UPC-AEAN-13ISBNEAN-8UPC-EITF-14Code 128FNSKUData Matrix

Generate

A book barcode is not a separate identifier — it's the EAN-13 graphical representation of the book's ISBN-13. Every commercially-sold print book carries one on the back cover. The barcode begins with prefix 978 (or the newer 979 if 978-range is exhausted in your registration group), which signals 'this is a book' to retailer point-of-sale systems. This is sometimes called the 'Bookland EAN' because it treats books as their own GS1 country code.

Two related questions trip up most self-publishers. (1) Do I need an ISBN at all? Only if you sell print copies through retailers other than Amazon — Amazon KDP issues free internal identifiers (ASINs, KDP-issued ISBNs that are Amazon-owned). For bookstores, IngramSpark distribution, library systems, anyone but Amazon-only — yes, you need a real ISBN. (2) Do I need to BUY my ISBN? In the US, ISBNs come from Bowker ($125 for 1, $295 for 10) or are issued free by your publishing platform (KDP, IngramSpark, Lulu) but those free ISBNs name THEM as the publisher of record, not you.

Recommended barcode formats

• ISBN

  Standard for every commercial print book — ISBN-13 in EAN-13 format with 978/979 prefix. Renders on back cover bottom-right.

• EAN-13

  Same physical format as ISBN barcode (978/979 prefix is just a special case). Use the EAN-13 generator if you're working from a 13-digit ISBN already.

• ITF-14

  Used for cases of books shipped to wholesalers (Ingram, Baker & Taylor). The case ITF-14 = '0' + 13-digit ISBN. Required by major distributors at the carton level.

• Data Matrix

  Optional 2D code add-on used by some publishers (KDP's 'Transparency' feature) to link to author site, errata page, or anti-counterfeit verification. Placed adjacent to (not inside) the ISBN barcode space.

Regulatory notes

• ISBN-13 is the global standard since 2007 — ISBN-10 was phased out for new books but old stock keeps printing both. Self-publishers should ONLY use ISBN-13 from 2007 forward.
• BISG (Book Industry Study Group) publishes the 'Barcoding Guidelines for the US Book Industry' — the de facto BISAC standard. Reading the BISG document is recommended for any traditional publisher; self-publishers can rely on KDP/IngramSpark templates.
• The 5-digit price add-on (right of the main EAN-13) encodes currency + price: '5' prefix = USD, '6' = CAD, '0' = GBP. Example: '52499' = USD $24.99. Most major US chains require the add-on for inventory price-checking.
• Library cataloging uses MARC 21 records keyed on ISBN — Library of Congress, OCLC WorldCat. Once your ISBN is registered with Bowker (US), the cataloging metadata feeds those systems automatically.
• International ISBNs are issued by your country's ISBN agency (Nielsen UK, ISBN Canada, AFNIL France, etc.) — Bowker is US-only. If you're publishing internationally, register where the publishing entity is incorporated.

Step by step

1. 1

   Decide: paid Bowker ISBN or free platform ISBN

   Paid Bowker ISBN ($125 for 1, $295 for 10, $575 for 100): you own the ISBN, you're named as the publisher of record, you can use the same ISBN across KDP + IngramSpark + Lulu + Barnes & Noble Press. Free platform ISBN: KDP and IngramSpark issue free ISBNs but they own them — the platform is the publisher of record. Free is fine if you only sell on that platform; problematic if you ever distribute elsewhere because you'll need a NEW ISBN per channel.

2. 2

   Register your ISBN with Bowker (if paid)

   Buy at myidentifiers.com, register the title/author/format metadata in Bowker's database. This metadata propagates to Books in Print, Library of Congress, library catalogs. Each format gets its own ISBN: hardcover, paperback, mass-market, ebook, audiobook all get separate ISBNs. Plan accordingly when buying the 10-pack — a single novel released in HC + PB + ebook eats 3 ISBNs.

3. 3

   Generate the EAN-13 barcode with the 5-digit price add-on

   Use the EAN-13 generator above. Enter the full 13-digit ISBN (the one with 978 or 979 prefix, NOT the 10-digit version). For the price add-on, enter the 5-digit code: prefix digit (5 for USD, 6 for CAD) + 4-digit price in cents-without-decimal. Example: USD $19.99 = '51999'. Free 'no price encoded' option is '90000' (means 'price not encoded, ask retailer').

4. 4

   Place the barcode on the back cover per BISG

   Position: bottom-right corner of the back cover. Minimum size: 1.157″ wide × 0.825″ tall (BISG recommended). Quiet zone: 0.125″ white space all around. Color: black on white background ONLY — no other color combinations scan reliably at POS. If you use Amazon KDP's cover designer or IngramSpark's template, the ISBN box is pre-placed at the correct dimensions.

5. 5

   If you self-publish: KDP, IngramSpark, or both

   KDP-exclusive: Amazon prints on demand for Amazon orders only. You can use a free KDP-issued ISBN. IngramSpark: distributes to Barnes & Noble, independent bookstores, libraries, international retail. Requires a real ISBN (paid Bowker or your own). Most professional self-publishers do BOTH: KDP for Amazon, IngramSpark for everywhere else, with one Bowker ISBN used across both. Splitting between two platforms costs zero extra and roughly doubles your distribution reach.

6. 6

   Generate ITF-14 for case shipping (if going to bookstores)

   When your distributor (Ingram, Baker & Taylor) ships cases of your book to retailers, each case carton needs an ITF-14 barcode. ITF-14 = '0' (indicator digit) + your 13-digit ISBN + recomputed check digit. Use the ITF-14 generator. Place on the outside of every carton shipped through the wholesale channel.

Gotchas

• Each format needs its own ISBN. Hardcover, paperback, ebook, audiobook = 4 ISBNs, not 1. Sharing breaks every library catalog and retailer reordering system.
• Free KDP-issued ISBN names Amazon as the publisher. Fine if you stay Amazon-only forever; very problematic the moment you want to add IngramSpark, Barnes & Noble Press, or any non-Amazon distribution.
• The 5-digit price add-on must match the cover price printed on the book. Mismatches trigger POS price overrides and cashier confusion — major chains flag this on receiving.
• ISBN-10 is dead for new books since 2007. If you see ISBN-10 references in older publishing guides, ignore — always use ISBN-13 now. The ISBN-10-to-13 conversion exists for backward compatibility but never the other way for new publications.
• Some self-publishing services (Lulu, IngramSpark Plus) require you to use THEIR free ISBN, not your Bowker-purchased one. Read the fine print before buying ISBNs you can't use on your chosen platform.
• Library-bound books (school libraries, juvenile editions) often need a SECOND barcode on the spine for library tracking — that's a Code 39 internal-use barcode the library applies, NOT something the publisher provides.

FAQ

Related

• All industries
• All barcode generators