Mystery in Massachusetts (X-Country Adventures #6/8)

Ashley and Adam Arlington travel from state to state, encountering mystery and intrigue wherever they go. Readers ages 9-12 learn about the geography and history of the United States as they join this brother-sister team in their many adventures. Each book includes fun fact files, a map following the Arlingtons' route, and a list of recommended books and web sites. Ashley and Adam are teamed together for a camp scavenger hunt and quickly set out to take the lead. Clues lead them through Boston to Bunker Hill, revealing a new piece of the puzzle at each stop. The scavenger hunt along the famous Freedom trail culminates with the uncovering of a big piece of Boston history at the USS Constitution.