I was interested to be sent this link, presumably for self-publishing in a digital medium: https://blog.dreamstime.com/2016/08/19/book-cover-design-how-to-choose-and-use-images_art44964
I quite like the idea of subverting a genre by having space ships alongside a regency heroine. I guess I’ll never get employed as art director for a publishing house…
ninevoices 
Enjoyed reading this – though I was intrigued by the idea of a man in ‘navel uniform’.
A handsome Hornblower type with his shirt open to the navel, perhaps?