Scooby-Doo! and the Creepy Carnival

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Scooby-Doo! and the Creepy Carnival is a children's book in the 3-D mystery series published by Scholastic.

Premise

There is a missing jeweler and missing rubies at a haunted carnival.

Character
Scooby-Doo
Shaggy Rogers
Fred Jones
Daphne Blake
Velma Dinkley
Colonel Tom (the carnival owner)
The Security Guard
The Night Watchman
The Missing Jeweler

Suspect	Motive/reason
Suspect	Motive/reason

Culprit	Motive/reason
Culprit	Motive/reason