Holliston Mill, home to a number of artists working in a variety of media at 24 Water St., is holding its annual Open Studios on Nov. 3 and 4 from 10 a.m. to 4 p.m. The weekend event will feature resident and guest artists opening their work spaces and discussing their specialties and inspirations. Artworks in a range of styles and media, including oil, watercolor, charcoal, pen and ink, acrylics, sculptures in wood, metal, stone, and digital and film photography, will be for sale. Writers and musicians will also be sharing their work. Admission is free for the all-ages event. For more information, visit www.hollistonmill.com.