On Wednesday April 13 at 6 PM Kenneth Gloss, the nationally known and respected antiquarian bookman who has been seen on PBS' Antiques Roadshow several times over the years will be giving a free and open talk at the New England Historic Genealogical Society located at 99-101 Newbury Street in Boston. He encourages the public to bring their own old books for free verbal appraisals following the talk. (Not limited to a single book.) He'll bring several items to show the audience of some of his favorite finds.