A visit to the Boston home of fellow history buff Gail Adams Wiltshire plunges Millie Kirchner into a battle between two branches of a legendary family, descendants of John, Abigail, and Samuel Adams. Some of Gail's relatives are prominent in the effort to preserve city landmarks, but her cousin Marvin Adams Bailey is a developer with plans to build Crossroads of History, a giant shopping center that will impact a historic neighborhood. The...