This book cover has 3 lines for the title, 1 line for the subtitle, 1 line for the author, 2 lines for the hook.
The most popular tags describing this Science Fiction premade book cover are night, couple, exploration, moonlight and celestial.
Other keywords revelant to this premade cover are lunar, partnership, lunar backdrop, astronauts, space gear, cosmonauts, spacewear, astronaut couple, moon exploration, cosmonaut duo, planetary mission, celestial silhouette, weightless companions, interstellar partners, extraterrestrial encounter.