I usually use calibre for writing and transforming ebooks.
Now I have a problem I'm not able to solve:
I would like to create one ebook and publish it in two languages: en and it.
I can add both language to the metadata, but I'd like to distinguish between text and titles in italian and their corresponding in english and viceversa, while having just one shared copy of the images and media files.
And, I don't know how to tell to generate an ebook for one language or to the other ....
If I create two ebooks, one per each language, the text content is separated, but the media files are duplicated.
I don't know how to ....