FAIRFAX: 2-4 p.m. today. At the Fairfax City Regional Library, sale of new and used Civil War books with local authors signing books; sponsored by the Virginia Room, the Fairfax County History Commission, the Historical Society of Fairfax County and the Friends of Fairfax City Regional Library. Free. 703-246-2281.

WASHINGTON: 6:30 p.m. Tuesday. At Fort McNair, the monthly dinner meeting of the D.C. Civil War Round Table, with historian Thomas P. Lowry speaking on "Curmudgeons, Drunkards and Outright Fools: The Greatest Hits of the Courts-Martial." Fee charged. 703-527-0077.

BALTIMORE: Noon-4 p.m. Dec. 17. Aboard the USS Constellation, U.S. Coast Guard Lt. Cmdr. Rick Gay will speak on maritime navigation. Fee charged. 410-539-1797.

WASHINGTON: 6:45 p.m. Dec. 20. At Fort McNair, the monthly dinner meeting of the Lincoln Group of the District of Columbia, with author Michael Kauffman speaking on his recent book, "American Brutus." Fee charged. 703-532-6188.

BALTIMORE: 10 p.m.-1 a.m. Dec. 31. Aboard the USS Constellation, a New Year's Eve deck party with cannon-firing demonstrations and refreshments. Fee charged. 410-539-1797.

WASHINGTON: 6 p.m. Jan. 7. At the Longworth House Office Building, Room 1301, the monthly meeting of the Capitol Hill Civil War Round Table, with Art Candenquist speaking on "The Confederates Gather Steam: The Story of Jackson's Great Train Robbery." Free. 703-820-1232.