Santa's elves, toys, other Christmas themes magically appear when blank spaces are rubbed with a pencil.
Anna Pomaska
Chuck Gallagher
Vincent Dachy
M. E. Braddon
Meiji Stewart
Gerry Stoker
Kristen Kemp
Julia Hans
Murray Rosenblatt
Mary M. Lay
Jean D. Neeson
David M McGrath
Jane Yolen
Horacio Guarany
Anne Fine
Simon Louvish
Jeannette Lasansky