FREE. Build your own haunted gingerbread house, using festive candy, icing, & other tasty decorations. Grades 7-12. Space is limited, sign-up early: tinyurl.com/33pdt677. 3–4 p.m. Sonoma Library. 755 W. Napa St., Sonoma. Other Sonoma Library Branches will host this event. Full schedule: tinyurl.com/ms9j8pcj.