Elf on the Shelf : A Christmas Tradition plus bonus Official “An Elf’s Story – Chippey’s Great Adventure” Easy to Read Storybook From the Manufacturer Year after year, children and adults alike are baffled by the mystery of how Santa really knows who’s been naughty or nice. After much urging by the elves and Mrs. Claus, Santa has allowed his biggest secret to be revealed in The Elf on the Shelf: A Christmas Tradition . Touted as “The best thing since The Night Before Christmas” this gift set includes a light skin, blue eyed North Pole pixie-elf, hardbound children’s book and keepsake box. Children can register their elf online and receive a special response from Santa. How does Santa really know who’s been naughty or who’s been nice. After much urging by the elves and Mrs.Claus, Santa has allowed his biggest secret to be revealed in the book, The Elf on the Shelf: A Christmas Tradition. Santa has partnered each book with a magical scout elf which children name. They can then visit the North Pole (elfontheshelf website) to register their elf’s name in our Hall of Registry and print their official elf adoption certificate. All Santa approved, of course. Gift set includes: A North Pole scout elf, a hard-bound children`s book and a keepsake box.