Series: King & Kayla Title: The Case of the Mysterious Mouse / The Case of the Secret Code / The Case of the Missing Dog Treats Author: Dori Hillestad Butler and Nancy Meyers Genre: Juvenile fiction, Mystery & Detective stores Age range: 7-9 years Grade: 2-4 Pages: 48 each Condition: GUC Synopsis: Mysterious Mouse - King and Kayla are playing fetch when their ball goes missing. They must put together the clues to figure out where it went and who has it. Secret Code - King and Kayla receive a mysterious letter written in code. How can they crack the code? Missing Dog Treats - Kayla made peanut butter treats for Jillian's new puppy, but the treats go missing. How will King and Kayla solve the mystery?