Break out the swords and sandals, because you're off on a trip to Ancient Rome! Your mission is to discover why Julius Caesar's favorite battle sword disappeared during the course of history, and along the way witness events that helped shape the Roman Empire and those that led to its fall. The Time Machine series challenges young readers to use their imagination and decision-making skills to write their own story. Options in the text allow readers to choose any path they like within the plot. Readers must draw on background information about the period to make the right choices. This makes the series a great educational device for youngsters to learn about history and all the different cultures, events, and periods that shaped it.