The Phantom Tollbooth (crossword by E.T.A.)

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Across
  1. 4. Has an alarm clock for part of his body
  2. 9. The first place Milo “visits”
  3. 10. The creature that the Humbug argues with the most
  4. 11. The first person Milo meets in the Tollbooth
  5. 13. The ____ of Essence
  6. 14. The creature that collects sounds for Dr. Dischord
  7. 17. Milo’s cellmate in Dictionopolis
  8. 18. The land of words and letters
Down
  1. 1. Food that makes you hungrier than when you started
  2. 2. The person that sits on the first step to The Castle in the Air
  3. 3. Tock’s brother
  4. 4. The first demon Milo and his friends come upon
  5. 5. The princess that an H in her name
  6. 6. The _____ of Connotation
  7. 7. Hovers about three feet above the ground
  8. 8. The place Milo first meets the Mathemagician
  9. 12. King ____ the Unabridged
  10. 14. The place you’ll end up if you’re on the main highway and you’re not thinking
  11. 15. The Minister of _______
  12. 16. The main character of the story
  13. 19. The conductor of colors