Scooby-Doo! and the Trick-or-Treat Thief

'Scooby-Doo! And The Trick-or-Treat Thief' is a children's book by Scholastic.

Characters

 * Scooby-Doo
 * Shaggy Rogers
 * Fred Jones
 * Daphne Blake
 * Velma Dinkley