Join us for a discussion of We Shall Not Be Moved: The Jackson Woolworth's Sit-In to mark the 50th anniversary of the landmark 1964 Civil Rights act. Meet the author, M.J. O'Brien, and Joan Trumpauer Mulholland, a civil rights activist and participant in the demonstration. Books and documentaries will be available for sale and signing. Light refreshments. Free. Register online at www.fairfaxcounty.gov/library or call 703 256-3800. George Mason Regional Library, 7001 Little River Turnpike, Annandale, VA 22003.