If you can't access the books, please try the following:
For web:
Refresh
Clear cache
Log out of your account, then log in again
Switch to an incognito tab
For the iOS/Android app:
Refresh
Log out of your account, then log in again
Uninstall the app, then install it again
Unstable Internet connection might also affect the accessibility of BuriBooks.
Tip: For further assistance, contact us at support [at] buri.io. Our support team is just one click away.