Scooby Doo & Krypto Mysteries (Paperback) #6 One Cool Caper

A jewelry store has been robbed. And the people inside are frozen solid! Scooby-Doo, Krypto, and Ace are all on the case. Soon they find more frozen people in a ballroom. Their jewelry is gone! Who is behind this ice-cold caper? Come along with the crime-solving canines to find out!