The Marshes of Glynn Libraries will showcase local authors and artists at the Brunswick Library on Gloucester St., beginning at 5:30 p.m. during First Friday tomorrow. College of Coastal Georgia professor Jean Choate will sign copies of her new book, “Voices Seldom Heard: Women, Blacks and Children on the Georgia Coast, 1850 to 1870,” and answer questions about her research. Long time Brunswick resident Carl Norris will bring his archival scrapbooks of local history dating back to the early 1900s.