Worm Hole

This science-fiction book cover features an illustration of a man wearing a suit. He is backlit by a blue-green light. His face is in shadow. The title is on his face.

This science-fiction book cover features a large spaceship hovering over a planet. Blue lights border the top and bottom of the cover.

This futuristic science fiction book cover features an image of a futuristic city. There's an overlay of a young man's head in the upper right corner of the book cover.

This science fiction book cover features a robot or cyborg with red glowing eyes.

This minimalist science-fiction book cover features an illustration of a spaceship shining down light onto a silhouetted figure.

This middle-grade science-fiction book cover features an illustration of an alien peaking over a red brick wall. The alien has three eyes.