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Old 03-29-2021, 08:54 AM   #12
KevinH
Sigil Developer
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According to what I read in those links I posted earlier, if you have the metadata to properly identify the cover image in your opf and if your cover image is a jpg or png, the iTunesArtwork file should automatically be added by Books.

I am a mac user and created an epub3 ebook using Sigil and once all the normal ways to identify the cover in the opf metadata and guide were set, Books had no trouble recognizing the cover and creating that thumbnail file so that my epub showed the cover thumbnail in Finder.

So my guess is something that Books is looking for in the opf to indicate the cover is missing.

So we need to track this down. Is this an epub2 or an epub3?

Can you copy your opf and post it here? If not, how about a couple of screen shots showing the contents of the opf, so we can see why this works for my testcase epub3 but not for you.
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