Moon Lake Library’s featured speaker for October is Sally Bethea, author of Keeping the Chattahoochee: Reviving and Defending a Great Southern River, published by the University of Georgia Press in July 2023. She will have copies of her book available for sale and autographs after her presentation. Sallie is the retired founding director of Chattahoochee Riverkeeper. Her work as the Chattahoochee Riverkeeper spanned two decades, and she continues to serve as a senior advisor. She lives in Atlanta where she writes a monthly column “Above the Waterline” for Atlanta Intown. The program is free and open to the public.