“Design a cover set in the Victorian period, that includes an outdated mansion and vintage clothing, with a sepia tone. Use a chic, classic font to evoke nostalgia and intrigue.” The simplest way to develop any book cover you may need. Start out from scratch or use a premade template https://www.tumblr.com/selfpublishingkindle/779866268075442176/ideas-to-reach-out-to-target-audiences-to-build?source=share