The Case of the Missing Sparkle-izer

The Case of the Missing Sparkle-izer is a book in the World of Reading series.

Summary
Minnie has a new-fangled Sparkle-izer in her Bow-tique. When Minnie needs it to decorate her customers' bows, the Super Sparkle-izer is missing. It's up to Millie and Melody to solve the mystery!