Halloween Folk Art Society presents All Hallow’s Art Fest, a magical marketplace filled with one-of-a-kind Halloween art, decor, jewelry, and collectibles from more than three dozen artists. HFAS pursues the best in artists, adding newcomers to its established professionals each year. Collectors and fans can view and purchase one-of-a-kind works of art, hand-made from a number of mediums, such as papier-mâché, leather, felt, spun cotton, and more. Admission is $5 at the door. Saturday, September 28. 9 a.m.–3 p.m. Hermann Sons Hall, 860 Western Ave., Petaluma. Read about the artists at halloweenfolkartsociety.com.