We need a book cover for a young adult fantasy novel. We envision three characters on the cover. First, our heroine. She is 17 years old, living in 1790 England. Think Pride & Prejudice & Zombies for her outfit. She fights with a sword. She has reddish brown hair. She belongs to a secret regiment of the newly formed Home Office, tasked with hunting down magical creatures called the everlost, who are preying on London's poor.
Second, one of the everlost. He appears to be in his early twenties. He is devastatingly handsome--a strong, definitely masculine handsome. He has light brown hair and blue eyes. He has fangs and wings (like a bird, not like a bat). He wears leather armor in browns and greens (kind of like Green Arrow in the modern TV show, but with no hood). He fights with two swords. Other than the fangs and wings, he looks completely human. There is an attraction between him and the heroine even though they are enemies.
Third, a young British nobleman in his twenties. He has blue eyes and wears his black hair in a short ponytail, according to the style of the times. He is in the same regiment as the heroine and is her superior officer. He does not wear a British uniform because it is a secret operation. He is also very handsome, also in a masculine way. But there is tension between him and the heroine because he is arrogant and thinks women are generally inferior to men.
As for the action, we're thinking they could be facing off on the deck of a sailing ship. That would work well with the story if it's possible.