August 14, 2026
A book launch postcard gives readers a physical reason to remember your release date, and the design comes together fast once you know the specs a printer actually needs.
A postcard is the cheapest physical marketing piece a self-published author can make for a launch, and it does a job email and social posts can't: it sits on a nightstand, gets tucked into a purse, or lives on a bookstore counter for weeks. Readers who get a postcard cold in the mail decide whether to buy in the three seconds it takes to flip it over.
Getting postcard printing for author book launches right in 2026 means treating the design like a tiny billboard, not a business card. Every element earns its space, or it goes.
The standard book launch postcard runs 4×6 inches, landscape, matching a standard mailer and standard postage rate. Vertical works too if your cover art is portrait-oriented and you want the front to read like a mini poster.
Set your canvas to 4.25 x 6.25 inches to account for a 0.125 inch bleed on all four sides. Skip this and your printer trims into text or crops your cover art unevenly. Common mistake: designing at the exact 4×6 finished size with no bleed, which forces a last-minute redesign when the file gets rejected.
The front is 90% image, 10% text. Use your book cover, a character illustration, or a striking single line from the book \u2014 not a paragraph.
If you run text on the front, keep it to five words or fewer in a font at least 24pt at final size, so it reads from arm's length on a table. Expected outcome: someone glancing at a stack of postcards from three feet away should recognize the genre and title in under two seconds.
The back carries the release date, a one-line hook, your name, and a call to action \u2014 usually a QR code or short URL to a retailer page. Keep total back-copy word count under 40 words; this is not the place for your full synopsis.
Add a QR code sized at least 0.75 x 0.75 inches so it scans reliably from a phone at a normal reading distance. Common mistake: shrinking the QR code to fit more text, which makes it unreadable and kills your conversion path entirely.
Convert your file to CMYK before export \u2014 RGB files print duller and shift color, especially on cover art with saturated reds or blues. Keep a 0.125 inch safety margin inside the trim line for any text, so nothing critical sits within cutting tolerance.
Check paper stock for postcard printing options before you finalize color choices, since coated stock renders color differently than uncoated. Expected outcome: a proof that matches your screen within a shade, not a wildly different print.
A 14pt or 16pt coated card stock with a gloss or matte finish is standard for book launch postcards \u2014 thick enough to survive a mail run without bending, glossy enough to make cover art pop. Matte works better if fans will write on the back; glossy smears under pen and pencil both.
Common mistake: picking the thinnest, cheapest stock available to save a few dollars on a run of 200 \u2014 the postcard feels flimsy and reads as an afterthought, undercutting the launch it's supposed to promote.
Order a physical proof before committing to your full run, even on a short 100-copy order. Screen colors and paper colors are never identical, and catching a color or crop issue on 5 sheets beats catching it on 300.
For a typical launch, 100 to 300 copies covers a book signing, a mailing to your author newsletter list, and a stack for local bookstores. Expected outcome: enough postcards for the launch window plus a reserve for the next 2 to 3 months of events, without stockpiling hundreds you'll never hand out.
“If you can’t read the back copy from a foot away, the type’s too small.”
Once the postcard is ordered, line up the rest of your launch messaging so the postcard isn't working alone. A press release for a book launch gives local media and book bloggers something to run alongside the mailer, and the two pieces should share the same release date and hook line.
What size should a book launch postcard be?
A 4×6 inch postcard is the standard size for a book launch in 2026, with a 0.125 inch bleed added on every side before export. Larger sizes cost more to mail and rarely fit standard postage rates.
How many postcards should I order for a launch?
Most self-published authors order 100 to 300 postcards for a single launch, covering a signing event, a newsletter mailing, and a stock for local bookstores. Publishing Xpress prints in increments of 1 copy above a 100 copy minimum, so you’re not forced into a bulk run.
Is color or black-and-white better for a book launch postcard?
Full-color fronts read better in event photos and on social media flat-lays than black-and-white. The back can stay black-and-white to save cost since it’s mostly text and a QR code.
What paper stock works best for a book launch postcard?
A 14pt or 16pt coated card stock in matte or gloss finish is standard for 2026 launch postcards. Choose matte if fans will handwrite notes on the back, since glossy stock smears under pen.
Do I need a QR code on my book launch postcard?
A QR code linking to your retailer page turns a physical postcard into an immediate sale, and it should run at least 0.75 inches square. Without one, readers have to remember your title and search for it later, which loses conversions.
Can I use my book cover as the postcard front?
Yes, and it’s the most common approach — the cover is already designed to grab attention at a glance. Just re-export it at 300 dpi for the 4×6 postcard size rather than stretching a low-resolution ebook file.
What goes on the back of a book launch postcard?
The back needs a release date, a one-line hook under 40 words total, your name, and a call to action like a QR code or short URL. Skip the full back-cover blurb — the postcard’s job is to prompt action, not summarize the book.
How much does postcard printing cost for a book launch?
Cost depends on quantity, paper stock, and color choices, and it varies by print run size. Request a quote for your exact specs — stock, quantity, and finish — rather than relying on a flat industry number.
The postcard that gets kept isn't the one with the most information on it \u2014 it's the one with the least. Authors who cut their back copy down to a single hook line and a QR code see people actually scan it on the spot, at a table, before they've had time to talk themselves out of it.
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