That EPUB file is invalid, it incorrectly places the NCX file into the
spine. I will add a workaround for it in the next calibre release, but
you can fix it yourself by opening in the calibre editor, editing the of
file and removing item_51 entry from the <spine>
That EPUB file is invalid, it incorrectly places the NCX file into the
spine. I will add a workaround for it in the next calibre release, but
you can fix it yourself by opening in the calibre editor, editing the of
file and removing item_51 entry from the <spine>
status invalid