2. "Inside the Haunted House" by the Gerwick Puppets will be held from 4:30 p.m. to 5:15 p.m. in the event room of the Charlestown Branch of the Boston Public Library, 179 Main St. The amazing Gerwick Puppets are back, this time with a Halloween tale. Two brave children venture into a haunted house after dark to discover a world of imagination and fun. This show may be frightening to preschool children. Please arrive on time as latecomers will not be admitted.
3. Happening Nearby: the Kendall Square Farmers' Market, located at South Plaza, 500 Broad Canal St., Cambridge, is holding it final market day of the season today from 11 a.m - 2 p.m.
4. The Charlestown branch of the Boston Public Library After School Club from 2:30 p.m. to 5 p.m. will be devoted to science so join the staff for experiments and concoctions.
5. On this day in 1940, the 40-hour work week was established as law in the United States.