Scooby-Doo! and the Opera Ogre

'Scooby-Doo! And The Opera Ogre' is a children's book in the 8x8 series published by Scholastic.

Premise
When Scooby and the gang visit an opera house, they¹re afraid they will be bored to tears. But an ogre starts making trouble, and soon Scooby and Shaggy are scared to tears. Can Fred, Velma, and Daphne unmask the opera house ogre before it ropes their friends into the act?

Characters

 * Scooby-Doo