Across
- 2. Jack's best friend, known for being smart and inventing things
- 3. A dangerous monster Jack encounters in the story
- 7. The name of the monster truck the kids use
- 8. Where the kids create their fortress
Down
- 1. Jack's crush and one of the main characters
- 4. Undead creatures that Jack and his friends fight
- 5. The main character of the story
- 6. The strong and tough member of the group