Case of the Secret Sauce

Pete and Penny live above Pizzarelli�s, the family pizza parlor, in the small town of Rellaville. They�re excited when their parents go out of town, leaving them in charge along with their quirky uncle. But everything goes downhill fast when the family�s top-secret pizza sauce recipe is lost! Readers figure out puzzles alongside the main characters and those clues lead them to solve the mystery!