The Book & Quill in this version(experiments activated) is cannot save edits and sign because every edits by player was reset automatically after close the editor.
However, if player named it with anvil, it was work normally.
MCPE-163877
Book & Quill didn't save any edits before player named it with anvil
Resolved
Duplicate
0
Thank you for your report!
We're tracking this issue in MCPE-163325 and MCPE-163267, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main tickets it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki