Shop for used books, CDs and DVDs in a wide variety of subjects. This sale, organized by the Friends of the Andersen Horticultural Library, typically raises $10,000-$12,000 for the library. This sale takes place Friday, Oct. 6 through Sunday, Oct. 8, 10 a.m. to 4 p.m. daily, at MacMillan Auditorium, located in the Oswald Visitor Center at the Minnesota Landscape Arboretum in Chaska, Minnesota. Tickets must be reserved in advance of your visit to the arboretum.