Percy Jackson themed

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Across
  1. 2. is the author of the book?
  2. 3. gabe's nickname?
  3. 5. is percys mom
  4. 7. is the father of clariess?
  5. 8. is the god of the water
  6. 9. was the first monster Percy encounterred
Down
  1. 1. is the polluted river
  2. 4. blank underworld
  3. 6. is Percy father?
  4. 7. child of athena
  5. 8. is the main character?