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Most of the time, a missing Kindle book isn't lost. It's sitting in your Amazon account and just hasn't reached the device yet, or your library is filtered to show only what's downloaded. Connect to Wi-Fi, sync, switch your library to All, and nine times out of ten the book appears.
If it doesn't, work through the fixes below in order. They go from the 10-second ones to the rare ones.
The 1-minute checklist
Wi-Fi on, airplane mode off. No connection, no delivery.
Sync. On a Kindle: swipe down from the top and tap Sync. In the Kindle app: More β Sync.
Library set to All. Not Downloaded. Then clear any filters and sort by Recent.
Right account. The Kindle has to be registered to the same Amazon account you bought the book with.
Restart. Hold the power button and choose Restart.
That's Amazon's own missing content checklist in short. Here's what to do when one of them doesn't work.
Check your library filter first
This is the most common "missing" book that isn't missing at all. Your Kindle library has two views: Downloaded (what's on the device right now) and All (everything in your account). If you're on Downloaded, a new book you haven't opened yet won't show.
Tap Library, choose All, then check the filter button. A filter for a collection, book type or "read" status can hide titles. Sort by Recent so new books come to the top, then search for the title.
Sync, then push it from your account
Sync tells the Kindle to check Amazon for anything new. It needs Wi-Fi, and on a slow connection it can take a minute. Amazon's sync instructions are the same on every recent model.
If sync doesn't bring it in, send the book manually:
On a computer or phone, open Manage Your Content and Devices on Amazon.
Go to Content β Books and find the title.
Choose Deliver or remove from device, pick your Kindle, and save.
Sync the Kindle again.
If the book isn't in that list at all, the problem isn't the Kindle. Keep reading.
The book isn't in your account
Check Your Digital Orders on Amazon. If the order isn't complete, usually because the payment didn't go through, the book won't be delivered anywhere. Amazon lets you retry the payment or change the payment method right there.
If the order is complete but the book still isn't in your content list, you probably bought it on a different Amazon account. This happens a lot with old work accounts, a second email, or a different country's store (amazon.co.uk vs amazon.com).
Make sure the Kindle is on the right account
On the Kindle, go to Settings β Your Account and look at the name and email. If it's not the account you bought the book with, that's your answer. You can deregister and register it again with the correct account. Amazon has a registration guide if you get stuck. Deregistering removes downloaded books from the device, but they stay in your account and you can download them again.
Wi-Fi problems
If sync fails or never finishes, check the connection first. Restart your router and the Kindle, forget the network and join again, and try a phone hotspot to see if your home network is the issue. Amazon's Wi-Fi troubleshooting page goes through the rest.
Special cases
Kindle Unlimited (now Kindle+) books. Borrowed books only stay while the loan is active and you're subscribed. If you hit the 20-book limit, you have to return one before a new one arrives. Check your current loans in Manage Your Content and Devices.
Library books (Libby, US only). After you borrow, you have to tap "Read now with Kindle" and finish on Amazon's site. Until then the loan doesn't reach your Kindle.
Files you sent yourself. EPUBs and PDFs sent with Send to Kindle show up under Documents, not Books. If they never arrived, see how to send an EPUB to Kindle.
Family Library. Books shared by another adult in your Amazon Household only appear after they share them with you. They need to do that from their account.
Kids' profiles. If the Kindle is set up for a child, books have to be added to that profile by the parent.
An old Kindle. Some very old models can't download newer book formats or have stopped getting store access. Make sure your Kindle has the latest software (Settings β Device Options β Advanced Options β Update Your Kindle).
On your phone, but not on your Kindle?
This one confuses everybody. If the book is in your Kindle app, it's in your account, so the purchase is fine. The Kindle either isn't on the same account, isn't connected, or is showing only downloaded books. Check the account in Settings, sync, and switch the library to All.
When to contact Amazon
If the order is complete, the book is in Manage Your Content and Devices, the Kindle is on the right account and connected, and it still won't download, contact Amazon support. Tell them the title, the order number and your Kindle model. That saves you from going through the basic steps again with them.
And if you're an author and it's your own book that's missing from the store (not your Kindle), that's a different problem: new KDP books can take up to 72 hours to go live.
FAQ
Why is my Kindle book not showing up?
Usually the library is set to Downloaded instead of All, or the Kindle hasn't synced yet. Less often, the payment failed or the book was bought on another account.
How do I force a book to download to my Kindle?
On Amazon, go to Manage Your Content and Devices, find the book, choose Deliver or remove from device, select your Kindle, then sync.
Where are my Send to Kindle files?
Under Documents in your library, not Books.
Do I lose my books if I deregister my Kindle?
No. They're removed from the device but stay in your Amazon account, and you can download them again after you register.
