LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

Home > Guides > Shipping a book

How do I ship a book safely?

Wrap the book in a plastic sleeve, sandwich it between two pieces of stiff cardboard, and pack it snugly in a box or rigid mailer so it cannot slide or bend. Tape all seams, keep the package flat, and the corners and spine should arrive uncreased.

Why do books get damaged in transit?

Books are heavy for their size, and that weight works against them. A book sliding loose in a box gathers speed with every bump and hits the box wall corner-first, which dents covers and crushes spines. Rain and snow are the other enemy: a wet parcel left on a porch can soak through plain paper packaging in minutes. Bending is the third risk, especially for paperbacks in soft envelopes, where a parcel sorted under heavier boxes can fold a cover. Each of these is preventable with a rigid layer and a snug fit, which is why the cardboard sandwich is the standard method used by booksellers.

What is the cardboard sandwich method?

  1. Put the book in a plastic bag or wrap it in cling film to block moisture.
  2. Cut two pieces of corrugated cardboard slightly larger than the book cover.
  3. Place the book between them and tape the sandwich closed at the edges.
  4. Slide the sandwich into a padded mailer or a box with crumpled paper filling any gap.
  5. Tape every seam of the outer package, not just the flap.

How do you pack different kinds of books?

Paperbacks need the full sandwich treatment, since their covers bend easily. Hardcovers travel better, but their dust jackets scuff, so wrap the jacketed book in tissue before the plastic layer if the jacket matters to the recipient. Large art books and coffee-table books are heavy enough to need a box rather than a mailer, with padding on all six sides. For a set of books, stand them upright like on a shelf with cardboard dividers between them, or stack them flat with the largest at the bottom. Never pack books spine-up in a loose box: the pages splay and the binding takes the full weight.

Book typeBest packagingWatch out for
PaperbackCardboard sandwich plus padded mailerBent corners and creased covers
HardcoverTissue wrap, sandwich, box or rigid mailerScuffed dust jacket
Large art bookBox with padding on all sidesWeight shifting in transit
Multiple booksBox, upright or flat stackedBooks rubbing covers together
Rare or signed bookPlastic sleeve, sandwich, sturdy box, full paddingMoisture and corner bumps

How do you handle weight and size limits?

Weigh the packed parcel before you buy a label, since a box of books gets heavy fast and a label bought for the wrong weight can cause delays or extra charges. If you are shipping within Canada, a Canada Post Xpresspost label through LetterAgent covers parcels up to 5 kg at a flat rate: you ask your AI assistant for a per-label quote, approve the exact price, pay once through Stripe, and receive the label as a PDF to print and attach. Split a heavy order into two parcels rather than forcing books into an overstuffed box, which is more likely to burst at a seam.

Should you mark the package?

Writing "Please do not bend" on the outside helps for a single book in a mailer, though sorting machines and handlers may not see it. The packaging itself is the real protection, so do not rely on a marking alone. Make sure the address label sits flat on the largest face, fully visible, and not wrapped around an edge where a scanner could miss it. Keep a photo of the packed book and the label before drop-off: if a damage claim ever comes up, that photo shows the condition at send time.

Related guides

Ready to ship it? Get a shipping label with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and get your label.


LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

Need help? Ask your assistant: it can check a job's status any time. If it ever can't handle something: hello@getletteragent.com

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