Books: Decatur author Amanda C. Gable discusses and signs “The Confederate General Rides North,” 7:15 p.m., Blue Elephant Book Shop, Decatur. FREE.

For families: Author Pseudonymous Bosch signs “The Name of This Book is Secret”,”If You’re Reading This It’s Too Late” and “This Book Is Not Good For You,” 4 p.m., Little Shop of Stories, Decatur. FREE.

Movies: “The Wizard of Oz” high-def 70th anniversary screenings, 7 p.m., various Georgia theaters.

Music: Roy Ayers and and Mike Phillips perform for Wednesday WindDown, 5:30-8 p.m., Centennial Olympic Park, Atlanta. FREE.

Sports: Atlanta Thrashers vs. Nashville Predators, 7 p.m., Philips Arena, Atlanta.

Stage: “Walking with Dinosaurs” opens, 7 p.m., Gwinnett Arena, Duluth.

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