Across
- 2. Multi-headed serpent guarding the fleece.
- 3. Percy's friendly half-brother, a cyclops.
- 5. Blind sorceress who turns people into guinea pigs
- 8. God of the wild and Grover's father
- 9. Giant fire-breathing bulls.
- 12. Island where Percy faces Polyphemus.
- 14. Daughter of Athena and camp director.
- 15. Sea area with Scylla and Charybdis.
- 17. Multi-headed serpent guarding the fleece.
Down
- 1. Dangerous rocks in the sea.
- 3. Protective barrier around Camp Half-Blood.
- 4. Son of Poseidon and protagonist.
- 5. Enchanted ship used on the quest.
- 6. Grover's satyr friend and protector.
- 7. Spirit of the cursed Princess Andromeda.
- 10. Camper transformed into a pine tree.
- 11. Ship captain turned into a dolphin.
- 13. Island with the Sirens' song.
- 16. Percy's friend turned into a guinea pig.