GROTON — As part of Massachusetts’ commemoration of the 250th anniversary of the founding of the United States, the Destination Groton Committee will host Donald R. Ryan for an author talk and book signing of his new work, “Colonel William Prescott: Heroic Commander of the Battle of Bunker Hill,” Sunday, Nov. 2, from 2-4 pm at the Prescott Community Center, 145 Main St.
