Amen.
> I split all of my audiobooks into chapters. I use the format "Chapter 01.mp3" (or "Chapter 001.mp3" when there are > 99 chapters) because some (all?) MP3 players are too stupid to sort numbers properly and I want my audiobooks to work everywhere.
Well, some car and kitchen radio manufacturers will probably never get this right. In my car (which tends not to be brand new) they even messed up UTF-8 chars, which gets me laughing every time a track has them. It's become a running gag with my wife, "Oh, listen up, it's &%=?! again".
> (all?)
Well, I kind of hate to say this, but Apple got this right with the iPods. They even regarded the metadata fields `sort-*` (e.g. sort-album), movement-name (for series) and movement-index (for part). With these fields they really group and sort my audio books as I expect it to be.
I even wrote my own software to fill these tags appropriately, so that I don't need to split my audio books. I'm pretty happy using `m4b` files - an mp4 / m4a container with chapter support, which is supported perfectly fine on my iPod Nano 7g and my Android Phone (using Audiobookshelf[1] and Voice[2]). After all these years, the iPod Nano 7g to me is the PERFECT portable audio book player with 2 exceptions: Repairability and the proprietary Apple headphone remote protocol [3].
