Samuel Smythe and the Mystery of the Missing Papers — Andrew Heller

Life isn't typical for young Samuel Smythe. His father is a spy with a secret international organization and his teacher just happens to be plotting a terrible crime. Beyond his grandmother's terrible cooking and his talking cat, Samuel Smythe faces a series of unusual circumstances and challenges. The lives of Samuel and his family are turned upside-down and his missing homework papers are just the beginning!