Demon's Lexicon crossword puzzle

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Across
  1. 3. first book of the Demon trilogy
  2. 6. their mothers name
  3. 9. second book
  4. 11. their families last name
  5. 16. third book
  6. 17. year the book was published
  7. 18. where magic is bought and sold
  8. 20. Nicks age
Down
  1. 1. number of pages in the book
  2. 2. A magician leader of the Obsidian Circle
  3. 4. the younger brother
  4. 5. the capital city of England and the United Kingdom
  5. 7. his marks
  6. 8. boy who came for help dealing
  7. 10. older brother with the demon mark
  8. 12. Author of The Demon's Lexicon
  9. 13. month and day the book was published
  10. 14. alans age
  11. 15. creatures that are coming after them
  12. 17. protection against demons
  13. 19. Jamies sister