Visual Concept:
The cover design captures the blend of supernatural elements, high school drama, and car culture. The focus on the car in moonlit apple orchards highlights Samantha's magical Gremlin.

Key Elements:

1. Title and Subtitle:
“Gremlin” stands out in blood-red, hinting at danger and the supernatural.

2. Main Visual:
Two shadowed figures stand before the Gremlin under a full moon. The car's headlights pierce the darkness, symbolizing its mysterious power. The eerie orchard adds to the suspense.

3. Character Representation:
Shadowed figures let readers project their interpretations, emphasizing the car's pivotal role.

4. Color Palette:
Dark blues, blacks, and deep reds evoke horror. The red title contrasts sharply, adding intensity to the suspenseful atmosphere.

5. Typography:
The title’s dripping font reflects horror and rebellion, while the author’s name is in a clean, simple font, maintaining focus on the central image.