Percy Jackson, The lightning thief.

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Across
  1. 1. deadly look
  2. 3. hit really hard
  3. 4. really skinny
  4. 7. loss of _______
  5. 9. favorite teacher
  6. 10. very sadly
  7. 11. a writer of books
  8. 12. half human half god
Down
  1. 2. monster teacher
  2. 5. school jerk
  3. 6. body protection
  4. 8. release of an offender of detention