The Crayons Trick or Treat by Drew Daywalt & Oliver Jeffers
The hilarious crayons from the #1 New York Times bestselling The Day The Crayons Quit are ready to celebrate Halloween!
The Crayons want to go trick-or-treating, but they're not sure what to say! In a humorous Halloween story, Purple Crayon teaches the rest of the crayon box the magic words to say when they ring their neighbors' doorbells. (Hint: It's NOT Boo!) -goodreads