How do I add a title that's an audiobook? IMDB Help says audiobooks are an eligible category for titles, but I'm unable to add one.

How do I add a title that's an audiobook? This IMDB Help page says audiobooks are an eligible category for titles

https://help.imdb.com/article/contribution/titles/adding-a-new-title/GNXTSSVTJTFCRZGN?ref_=helpsrall#

That Help page shows "Eligible Title Types:" as:

so it should be possible to create a title for an audiobook. But when I go to this page to create a new title

https://contribute.imdb.com/updates/edit?update=title&ref_=helpms_ch_t_newtitle_ra

I have to select a "Type," and there is no "Type" for audiobook!

There are only six types with radio buttons to click on:

 

So even though it's theoretically possible to create a title for an audiobook, is it really impossible to do so?

I'm an award-winning author and I'm a full member of SFWA, with two audiobooks that have sold on Amazon, and I'd really like to get these audiobooks listed on IMDB.