Across
- 4. The document that changes everything
- 7. The last name of the billionaires
- 10. A mysterious girl from the past
- 11. The oldest Hawthorne brother
- 13. The main protagonist
- 14. The family and house are full of them
- 17. The youngest Hawthorne brother
- 18. A big part of the Hawthorne family tradition
Down
- 1. The book is full of unexpected turns
- 2. One of the Hawthorne grandsons; known for loving the game
- 3. Many must be solved
- 5. A key theme in the series
- 6. Billions of dollars
- 8. The mysterious billionaire who leaves his fortune to an unknown girl
- 9. The grand Hawthorne house
- 12. Key theme in the book
- 15. Many threats come with money
- 16. One of the Hawthorne grandsons