I can't understand why with some epubs calibre adds 2 covers:
1) I previously checked with calibre included built-in e-book viewer and my epub has only 1 cover.
2) during conversion (from epub to azw3) I selected "Use cover from source"
So what I did wrong?
1) I previously checked with calibre included built-in e-book viewer and my epub has only 1 cover.
2) during conversion (from epub to azw3) I selected "Use cover from source"
So what I did wrong?
