This book cover has 2 lines for the title, 1 line for the subtitle, 1 line for the author, 2 lines for the hook, and finally 1 line for the genre.
The most popular tags describing this Science Fiction premade book cover are illustration, sky, design, mystery and science.
Other keywords revelant to this premade cover are travel, symbol, concepts, isolated, planet, fiction, power, color, alien, ideas, surreal, dream, protection, galaxy, image, cloud, painting, cool, god, nebula, glass, stars, sphere, powerful, inside, scientific, interstellar, transparent, trapped, sci, fi, container, evolution, bottle, unreal, experiment, technique, captured, jar.