The enchanted books for crossbow aren't listed in the creative inventory but you are able to find them by using the search bar.
Linked issues
Comments 3
Thank you for your report!
However, this issue is a Duplicate of MC-137498.
If you have additional information, please add it to that report.
Please search before reporting, as it's likely that one exists already.
Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki
Please do not mark unreleased versions as affected.
You don't have access to them yet.