Print cannot hold a deleted chapter, an author reading a passage aloud, or a discussion guide for a book club, but a printed page can point straight at any of them. A small QR code on a back cover, a bookplate or the last page sends a reader from paper to whatever extra a publisher or author wants to add.
Self-published authors and small presses use it for a store link to the next title, and readers add one to a gift copy for a personal note. This is not the ISBN barcode a retailer scans at checkout; the two serve different jobs, and a printed book usually carries both, made here free as a PNG or SVG.
Adding a QR code to a book
Pick a link worth the scan
A bonus chapter, an audiobook sample, a book trailer already hosted on video, an author newsletter sign-up, or a purchase page for the next book. Avoid linking to your homepage with no clear reason to visit.
Test the link as a reader would
Open it on a phone with no special login. Bonus content behind a locked page or an unfinished author site defeats the point.
Paste it and choose a size for the layout
Enter the link above. Keep the module color dark against a light background even on a busy cover design, since low contrast is the most common reason a printed code fails to scan.
Proof it on the actual paper stock
Print a sample on the real paper before a full run. Matte interior stock scans easily; a glossy dust jacket under studio lighting can wash out a small code.
Where a code goes on a printed book
The back cover corner, the copyright or last printed page, and a loose bookplate or bookmark are the usual spots. Avoid the gutter near the spine, where the page curves and a code close to the fold distorts or partly disappears into the binding, especially on a thick paperback.
This is not the same as the ISBN barcode
The striped barcode on the back cover is a separate EAN-13 code built from the ISBN, scanned by stores and libraries for inventory and sales. A QR code for readers is additional, printed elsewhere on the cover, and never replaces that barcode.
A code printed once, read for years
A print run puts the same code into every copy, and a popular book stays in circulation long after release. A broken link years later is broken in every surviving copy, with no way to fix even one. A dynamic code avoids this: the same pattern can be re-pointed if a website moves, without touching a single physical book.
What the code on a book page contains
A plain web address to wherever the extra content lives: your own site, a hosting page for an audio file, or a store listing. The code holds only that link, never the bonus content itself, so the destination has to stay online for as long as the book is read.
https://yourbookwebsite.com/bonus-chapterSizing a code for a book page
Readers hold a book close, usually 15 to 20 cm from their phone, so a code around 15 mm across is enough on a back cover or bookplate, following the rule that scanning distance is about ten times the code's width. Leave a plain margin around it; text or artwork crowding the edge is a common reason a small printed code fails.
Print it at least 15 mm (1.5 cm) wide
Why a code on a book doesn't scan
Confusing it with the ISBN barcode
Retail and library systems need the striped EAN-13 barcode; readers need the QR code. Print both if you want both jobs done.
A link that outlives the book
A static code baked into a large print run has no way back if the destination moves. Weigh a dynamic code against the cost of reprinting the cover for a book expected to stay in print.
Placing it in the gutter
A code printed close to the spine curves with the page and often will not scan without cracking the spine flat, which most readers will not do.
Too small under gloss lamination
A glossy cover finish reflects light directly into a phone's camera at certain angles. Keep the code a little larger than the minimum, or place it on a matte interior page instead.
Static or dynamic for a book code
Static works for a short print run, a single edition, or content you are confident will stay online at the same address. It costs nothing and never expires.
Dynamic is worth the free account when the book will be reprinted over years, when bonus content might move to a new page, or when a code on a removable bookplate gets reused across future titles. Two dynamic codes are free forever, and the destination can change without a new print run.
How dynamic QR codes workHow authors use a QR code in a book
- A self-published novelist prints a code on the back cover linking to a deleted scene.
- A poetry chapbook includes a code by each poem linking to the author reading it aloud.
- A nonfiction author adds a code on the copyright page for an updated errata and sources list.
- A children's book publisher prints a code on the last page for a read-aloud video parents already trust, hosted on a platform they use.