Create a visually captivating book cover for a speculative non-fiction book titled 'We Are the Aliens' by Dario Arcano. The design should evoke mystery and intrigue, suitable for the UFO and time travel genre. The background features a cosmic landscape with stars, swirling nebulae, and faint, glowing light trails. At the center, place a silhouette of a classic Gray alien, with a slender body and an elongated head, illuminated by a beam of ethereal light descending from above. The alien stands on a faintly glowing circular platform, suggesting technology or interdimensional travel. The title 'We Are the Aliens' appears prominently at the top in modern, glowing typography, while the author's name, 'Dario Arcano,' is displayed at the bottom in a clean and understated font. The color palette includes dark blues, purples, and silvers, enhancing the mysterious and futuristic tone of the cover.