Across
- 2. the magic pen that turns into a sword
- 3. the hotel kids are lured into and lose track of time
- 5. Percy's algebra teacher who is a Fury
- 7. zeus's weapon Percy is on a quest to retrieve
- 9. the demigod who betrayed the gods and stole the lightning bolt
- 10. Percy's mother
- 12. half-bull, half-man monster that attacked Percy
- 15. the 3-headed dog guarding the Underworld
Down
- 1. Hades's stolen weapon that makes him invisible
- 4. the camp Percy goes to
- 6. a person who is the child of a human and god
- 8. the centaur that helps manage Camp Half-Blood and posed as Percy's history teacher
- 11. percy's best friend and guide who helps him find the lightning bolt
- 13. the daughter of Athena who helps Percy on his quest
- 14. god of war who rides a motorcycle