Art: PostSecret.com creator Frank Warren discusses the community art project, 3-5 p.m., Georgia State University Student Center Ballroom, Atlanta. FREE. More info.

Books: Slate editor and author David Plotz discusses “Good Book: The Bizarre, Hilarious, Disturbing, Marvelous, and Inspiring Things I Learned When I Read Every Single Word of the Bible,” 7 p.m., Michael C. Carlos Museum at Emory University, Atlanta. FREE.

Books: Author Lynne Joiner discusses “Mao’s China, McCarthy’s America and the Persecution of John S. Service,” 7 p.m., Jimmy Carter Presidential Library and Museum, Atlanta. FREE.

Books: Author Rita Mae Brown discusses “Animal Magnetism: My Life with Creatures Great and Small,” 7 p.m., Margaret Mitchell House, Atlanta.

For families: Atlanta Braves Museum trick or treat tours, through Oct. 31, Turner Field, Atlanta.

Music: Paramore performs, 7:30 p.m., The Tabernacle, Atlanta.

Music: Itzhak Perlman performs, 8 p.m., Fox Theatre, Atlanta.

Stage: “Cavalia” opens, 8 p.m., White Big Top in Atlantic Station, Atlanta. More info.

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