Poor Lizzie! She has only one hour to solve the 'Mystery of the Missing Cookies' or she's doomed to have liver and lima beans for dinner! Fortunately, in this witty, fast-paced children's book, aimed toward readers 5-12, Lizzie's friends Robert and Joule are willing to investigate the scene of the crime with her. Using humor, along with relatable characters and events, this quirky tale is an excellent introduction to the scientific method. Can the sleuths solve the case?