Correction, I'd be surprised if they don't support other standards than their own.
Most audio books seems to come as mp3s, try a free mp3 and see if it works.
Or go ahead and find an alternative, and ask via audibles support if it would work.
/Mats
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Interests: Comic books, Manga; most things to do with Handicraft, wood, textile, metal etc, modern materials; horror, true crime; languages, art, and history to an extent
Uninterests: All things about motors; celebrities; fashion; sports; career; stock market
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