The Lightening Thief

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Across
  1. 4. a grumbling, growling creature
  2. 6. a golden coin used for sending messages to other people
  3. 8. god of the sky
  4. 9. god of the underworld
  5. 12. an electrical bolt that comes from the sky
  6. 15. main villain
  7. 17. god of messages
  8. 19. a ballpoint pen that turns into a sword when you uncap it
  9. 20. Thalia got turned into it
Down
  1. 1. Percy's father
  2. 2. god of wine
  3. 3. a place underground
  4. 5. god of war
  5. 7. Annabeth's mother
  6. 10. a lightening bolt shaped stick that controls the sky
  7. 11. Percy's friend
  8. 13. god
  9. 14. satyr
  10. 16. main character
  11. 18. Grover plays them