promised myself I wouldn't (I am trying to extricate myself from the place, after all), but this is in my top five ideas to solve a specific problem, so:
HEY MASTODON
like a week ago I read a link about a book that's in four languages and may have been a book+audiobook or just an audiobook
the languages were english, chinese, korean, and japanese
the text was the identical statement in all the languages
the idea was that if you could read any language in it you could learn one of the others