Often times, minor issues in the app can be fixed by simply clearing the cache.
- Tap Settings (in the dropdown at the top of the store side of the app).
- Scroll down to storage.
- Long-press "space allotment."
- Tap "clear cache."
This can often fix "stuck" pages in books and other wonky behavior. If clearing the cache doesn't alleviate what you're encountering, please email us so we can troubleshoot further. firstname.lastname@example.org