• Vicksburg Main Street Halloween Events — Costume contest, parade and downtown trick-or-treat are canceled.

• City/County Trick-or-Treat — 5-8 p.m.

• Outlets at Vicksburg Trick-or-Treat — 6-7 p.m.

• Spooky Pooch Pet Costume Contest— 2 p.m.; Outlets at Vicksburg; $5 per category.

• Duff Green Mansion Ghost Hunt— 4 p.m.; $60 per person.

• Cedar Grove Mansion Inn & Restaurant Ghost Tours — 6-10 p.m.; $5 for adults, $4 for children.

• Book-signings — 11 a.m., “Storytime with Edgar Allan Poe,” Vicksburg actor Paul Bennett; 4 p.m., “Fried Green Zombies,” Vicksburg native John A. Allen; Lorelei Books, 1103 Washington St.

• Eddie Monsour’s at The Biscuit Company Halloween Party and Costume Contest — 10 p.m.-2 a.m.; cash prizes; $5 cover.

• The Ware House Shooters Halloween Party — 9 p.m.; music by New Orleans DJ; call for cover charge, 601-634-1000.

• Eli’s Treehouse Restaurant & Sports Grill Halloween Party and Costume Contest — 8 p.m.; music by Dreamer; $50 for best costume; free.

• Jacque’s Cafe at Battlefield Inn Halloween Party and Costume Contest — 9 p.m.; cash prizes; free.

• Halloween Comedy Show — 7 p.m.-midnight; American Legion Post 3, 1712 Monroe St.; $7 cover.