Across
- 4. The location of Camp Half-Blood
- 7. Percy's teacher who is a centaur
- 8. Percy's stepdad
- 9. God of War
- 10. The object that was stolen
- 15. The name of Percy's pen/sword
- 16. God of Sea
- 17. The monster Percy fought at the Arch
- 18. God of the Underworld
- 19. Percy chopped her head off and sent it to the gods
- 21. The number cabin Percy stays in
Down
- 1. Where the entrance to the Underworld is located
- 2. Annabeth's Yankees cap makes her this
- 3. This heals Percy
- 5. The name of the camp where demigods train
- 6. Daughter of Athena
- 11. Percy's loyal friend who is a satyr
- 12. The three old women who turn into monsters on the bus
- 13. The boarding school where Percy was kicked out
- 14. God of the sky
- 20. The goddess of wisdom