Sept. 11–13. Sale of thousands of books in over 60 categories, as well as DVDs. Proceeds support academic scholarships. Preview ($20) on Friday 8–10 a.m. 10 a.m.–8 p.m. (Fri. & Sat.) & 10 a.m.–3 p.m. (Sun.), Washtenaw Community College (Morris Lawrence Bldg.), 4800 E. Huron River Dr. Free admission and parking. annarbor-mi.aauw.net.

Every Sun. Dancers of all ages and abilities invited for free-form dancing to a variety of recorded music, from EDM to classical and ambient to world music. Wear loose clothes, barefoot or stocking feet. 10:45 a.m.–1 p.m. A2 Yoga, 2030 Commerce. $20 (age 11 & under, free) cash or Venmo (@andjru) at the door only. tinyurl.com/ecstatic-dance-a2. 

Every Sun. Juried market of local handmade arts & crafts, now in its 35th year. 11 a.m.–4 p.m., Kerrytown Farmers Market pavilion. Free admission. (734) 913–9622. 

Every Sat. & Sun., Sept. 12–Nov. 21; and Wed.–Fri., Sept. 16–Oct. 30. A carnival atmosphere with a variety of family-oriented fall activities on this family farm, including wagon rides, a petting farm, a corn maze, and more. For an extra charge on Sat. & Sun., an apple cannon, paintball, apple or pumpkin picking, and other activities available. Cider and donuts available. Also, on Sept. 12 & 13, the season opens with a food truck rally, and on Sept. 19 & 20, view classic cars at the Fall Car & Jeep Show. No pets. 11 a.m.–6 p.m., 5565 Merritt. (east of Carpenter), Ypsi. Weekend admission: $27.50 (babies under 2, free). Weekday admission: $18 (babies under 2, free) online only at wiards.com. (734) 482–7744.

Every Sat. & Sun., except Sept. 19. A chance to view LSNC birds of prey and its Critter House animals, which include frogs, turtles, snakes, and other species native to Michigan. Noon–3 p.m., 1831 Traver. $5 suggested donation. (734) 997–1553, lesliesnc.org.

Every Fri.–Sun. Three different audiovisual planetarium shows suitable for all ages. T. Rex (noon) describes the iconic dinosaur’s scientific and cinematic history (includes scenes of dinosaur violence); The Sky Tonight (1 & 3 p.m.) explores the current night sky, with tips on how to find the cardinal directions, constellations, and planets on your own; and Tales of the Maya Skies (2 p.m.) immerses viewers in the wonders of Mayan science, examining how Mayan scholars developed a sophisticated understanding of astronomy, architecture, and mathematics. Noon, 1, 2, & 3 p.m., 1105 North University. $9 at the gift shop. Limited capacity. (734) 764–0480, ummnh.org.

Fri. Sept. 4 & 18 and every Sat. & Sun. During the Friday Adult Open Hours (age 18+ only), conservancy staffers show some barnyard buddies, including a Highland cow, a chicken, a Flemish giant rabbit, and a miniature donkey at 7:30 p.m. On Sat. & Sun., staffers show the cow, chicken, and rabbit at 1 & 4 p.m., and the donkey at 2 & 3 p.m. All tickets include a chance to see the conservancy’s other animals. 7–9 p.m. (Fri.) and noon–5 p.m. (Sat. & Sun.), 4950 Ann Arbor–Saline Rd. $15 (kids ages 2–12, $13; under age 2, free) cash or credit at the door only. (734) 929–9324, thecreatureconservancy.org.