when was elf on the shelf created

The Elf on the Shelf® was first introduced in 2005 by author and toy designer Carol Aebersold. The first book, "The Elf on the Shelf®: A Christmas Tradition," was published in 2005 and quickly became a beloved children's book. The concept of the Elf on the Shelf® is a tradition where a special elf named "Scout Elf" is sent from Santa's workshop to help children on the nice list behave and make good choices throughout the holiday season.