Please add the cover

[MXPrime]

Please add the cover of https://www.goodreads.com/book/show/2.... You ll find a picture at https://buecher.karl-may-wiki.de/aufl...

[Martin]

We can't use that source.
If you don't know which sources are acceptable use 'help' at bottom left of the page. It isn't working for me currently so I can't provide a link