Field Trip Mysteries: The Library Shelves: An Interactive Mystery Adventure: An Interactive Mystery Adventure

Follow Sam, Egg, Gum, and Cat as they try to solve the mystery on their field trip to the library. When something is scratching the inside of the vents in the library, the junior detectives are on the case! Readers will love being able to choose from 12 possible endings and following the crew as they get out of some tight scrapes and some close calls.