This document provides information about Halloween events happening in the St. Louis area from October 26-30, 2017, including Halloween Nights at Grant's Farm, the Haunted Hayloft at Purina Farms, Boo at the Zoo at the Saint Louis Zoo, Spirits in the Garden at the Missouri Botanical Garden, and the Bug Ball at the Sophia M. Sachs Butterfly House. It also includes sporting events and Halloween trivia.