When fishing and catching an enchanted book, it has no clear enchantment and has no use. Instead, it simply says "Enchanted Book".
MC-84961
Enchanted books-fishing
Resolved
Duplicate
0
Thank you for your report.
However, your ticket has been resolved as a duplicate.
This issue has been linked to the original bugreport: MC-83897. You can find or add further information on that report.
Please search before reporting any bugs, as it's likely that one exists already.