Meet the Author (lecture, book signing, and reception). Tony Burroughs, author of "Black Roots: A Beginner's Guide to Tracing the African-American Family." Saturday, September 22, 2:00 pm Oxon Hill Library 6200 Oxon Hill Road Oxon Hill, MD 301-839-2400 The Prince George's County Public Library Foundation will host a reception for Mr. Burroughs following the discussion, and library staff will unveil architectural plans for the Sojourner Truth Room renovation. (Postponed from February 22.)