Meet a Boston character who defines the character of Boston.  He’s Mark Duffield, former  commercial fisherman, broadcaster and store owner in the world famous neighborhood of  Beacon Hill.   Mark has written a new, beautifully illustrated book that will kindle wistful thoughts of serendipity.     The book is entitled “As I Recall: Wings of Remembrance, “  and it’s penned  by a true gentleman, the unofficial Mayor Duffield of Boston!