Audiobooks with one track but multiple chapters

Dear All,
I’m wondering how to enter information in MusicBrainz about an audiobook that has concretely only one track but multiple chapters. The file is an M4B file.
Shall I consider having multiple tracks representing the chapters, or should I number all the track with the same number, or is there something else I should consider?
What is the appropriate approach?

Moreover, does anyone know if there’s a way to make Picard to tag correctly M4B files?

Thanks in advance for your guidance.

Unfortunately Picard isn’t able to tag m4b chapters correctly - you could open a ticket asking for the functionality on the ticket tracker, it seems it hasn’t been requested before: https://tickets.metabrainz.org/

I know I have added m4b releases both split into chapters and as a single track in the past. Until we have a better way of handling these, adding both seems like a good solution, if you are keen to be thorough thorough. Here is a great example of both being entered:

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