Studyplans

This young adult book series tells about the twins Coke and Pepsi who travel with their parents in an RV from California to Washington, D.C. and back.  Mission Unstoppable is the first book in the series and takes them about half-way across the United States. It would be great for upper elementary- to middle-school aged students.  The twins have to decode secret messages and outwit people who are trying to kill them while keeping all of this secret from their parents. The visit unusual natural wonders as well as a variety of tourist places. The directions for following their trip on Google maps is included.