Eek! How Spooky!

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Across
  1. 2. Scarrier than anything else in this puzzle
  2. 3. Horror writer Stephen ____
  3. 5. Scariest type of solitaire
  4. 8. Carved from a pumpkin
  5. 11. _____, ghouls, goblins
  6. 12. Friendly with witches
  7. 13. Horrifying circus performers
  8. 14. You are this thing already
  9. 16. Trick or Treat reward
Down
  1. 1. Well-dressed Eastern European
  2. 4. Relevant orange gourd
  3. 6. Like big mice
  4. 7. More closely related to humans than rodents
  5. 9. Halloween season
  6. 10. "I got a ____"
  7. 12. Worn on October 31st
  8. 15. Incomprehensible horror