# Those will be generated for all books.
EBOOK_FORMATS_WITH_CHILDREN = ['pdf', 'epub', 'mobi']
# Those will be generated when inherited cover changes.
-EBOOK_FORMATS_WITH_COVERS = ['mobi']
+EBOOK_FORMATS_WITH_COVERS = ['pdf', 'epub', 'mobi']
EBOOK_FORMATS = EBOOK_FORMATS_WITHOUT_CHILDREN + EBOOK_FORMATS_WITH_CHILDREN