Design a book cover for a post-apocalyptic world dominated by alien beings who c

Design a book cover for a post-apocalyptic world dominated by alien beings who closely resemble humans but have distinctive purple eyes. In the foreground, depict a short-statured man facing one of these aliens. The alien's purple eyes should be visible, with the faint outline of contact lenses that attempt to disguise her true nature. The background should feature a desolate, crumbling urban landscape under a dark, foreboding sky. The atmosphere should convey tension and mystery, emphasizing the alien's otherworldly nature and the hidden threat they pose to humanity.