Reproduction steps

1. In a book, have more than 15 pages (including version content pages) already existing
2. Go to the "Overview" administration page
3. Click on the top left checkbox to check all the displayed checkbox
4. All the displayed checkbox are checked.
5. Try to uncheck by clicking the top left checkbox
6. Click the black arrow pointing down on the right of the previously used top checkbox, and click "Select in all pages"
7. All the entries are selected
8. Try to unselect all entries the same way

Result

Either at step 5 and 8, it's not possible to uncheck easily the checkboxes

Workaround

Refresh the Overview page