Books: Fantasy author R.A. Salvatore discusses “The Ghost King: Transitions, Book III,” 7:15 p.m., Decatur Library, Decatur. FREE.

For kids: “Magic Mondays: Fall Frenzy,” childrens activities, 10:30-11:30 a.m., Atlanta History Center, Atlanta.

Music: Colbie Caillat performs with Howie Day, 7:30 p.m., Variety Playhouse, Atlanta.

Outdoors: Early Bird Hikes, 9 a.m., Autrey Mill Nature Center, Alpharetta.

Stage: Virsky Ukrainian National Dance Company performs, 8 p.m., Fox Theatre, Atlanta.

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