Twins Finn and Molly believe they must be dreaming when they discover a camper in their driveway – a camper that talks!  When the RV transports them to a cattle ranch in Colorado, they know something magical has happened. When the camper suddenly disappears, however, the twins wonder how they will find their way back home! With facts about the state the twins visit in each book, this new series will be one fans of the Magic Tree House Books will love.