1 p.m. at DeBary Hall Historic Site, 198 Sunrise Blvd. Explore the rich history of the Mayaca people native to West Volusia with local author and former DeLeon Springs State Park Manager Brian Polk. Polk will explore topics found in his book Lost in History – The Mayaca Native People of West Volusia County. Light refreshments, including lemonade, will be served, and Polk’s books will be available for purchase. Free admission.