Celebrate a century of architecture at Belmont Mansion with a free book signing of Hart Freeland Roberts: 100 Years. Written by Susan Halford, the book chronicles the history of the Nashville-based architectural and engineering firm, with 356 pages of drawings, photos and sketches of past projects and city landmarks. Halford will be signing copies of the book from 5:30 p.m. to 7:30 p.m. The signing feat. an exhibit and lectures by Hart Freeland Robert's president and chairman.