Across
- 3. Attacked Percy and his mom
- 4. Monster with snakes for hair
- 5. Joined Percy and Grover on Percy's quest
- 10. The story's protagonist
- 12. God of travel, messenger
- 13. Nymphs that live in fresh water
- 15. How gods are able to sense half-bloods
- 16. The name of Percy's sword
- 17. Percy's stepfather (2 words)
Down
- 1. Centaur formerly Mr. Brunner
- 2. Percy's Satyr friend
- 3. Substitute teacher/ Fury (2 words)
- 6. Nymphs that live in saltwater
- 7. Goddesses who control fate (2 words)
- 8. Three headed dog
- 9. Father of Percy Jackson
- 11. Mother of Annabeth
- 14. Father of Clarisse
- 18. Dionysus *in the book* (2 words)