The Friends of the Cabildo hosts the tour of five historic French Quarter homes. Fr. Jerome LeDoux also signs his book War of the Pews: A Personal Account of St. Augustine Church from noon to 3 p.m. both days of the event. Visit www.friendsofthecabildo.org for details. Admission $20 FOC members, $25 nonmembers. 9 a.m. to 4 p.m.