On a field trip to the Museum of Natural History, Sophie and Max encounter a strange artifact from the past that sends them on a wild, time-traveling adventure to the Long-Lost City of Babylon! Join them on this expedition in meeting the Richest Kid in Babylon, Targus, and learn the secrets of his success! What's in the Secret Letter from Targus and how will they ever get back home? Age Level 7 and Up, The Richest Kid in Babylon is an entertaining adventure book in entrepreneurship, history, and business strategy for elementary, middle, and high school students. Imagine what it would be like to learn this information at a very early age!