This book cover has 2 lines for the title, 1 line for the subtitle, 1 line for the author, 4 lines for the hook, and finally 1 line for the genre.
The most popular tags describing this Action & Adventure premade book cover are dark, man, concept, black and light.
Other keywords revelant to this premade cover are abstract, silhouette, fog, shadow, view, adventure, exploration, alone, dangerous, contemplation, darkness, lonely, discovery, depression, tunnel, foggy, end, inside, hole, explorer, underground, exit, concrete, cave, exploring, bunker, geology, gallery, discovering, the tunnel exit, caving, gloominess, spelunker, out of the tunnel, towards the exit, way out, potholer, look out the exit, potholing, loneliness concept, spelunking, caver, toward the light.