Sept. 23–26. Local family-run sale of over 30,000 used books, as well as DVDs, audiobooks, video games, puzzles, and board games. Also, a presale on Sept. 23 from 4–8 p.m. for teachers and homeschool families. 9 a.m.–8 p.m., Washtenaw Farm Council Grounds, bldg. A, 5055 Ann Arbor–Saline Rd. Free admission. jlcbooksale.com.

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 Fri.–Sun., Sept. 19–Nov. 1. A large corn maze with 3.5 miles of trails and 3 exits to allow for routes of various lengths. Also, a U-Pick pumpkin patch, hayrides, petting zoo, pedal cars, straw maze, and yard games. On Sept. 27, Family Fun Day (11 a.m.–3 p.m.) features ice cream, balloon art, kids activities, and live music from the Saline Fiddlers. 11 a.m.–9 p.m. (Sat.), 11 a.m.–7 p.m. (Sun.), & 5–9 p.m. (Fri.), 6175 Daly, Dexter. $16 (ages 5–12, $13; age 4 & under, free with adult admission). blastcornmaze.com.

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.

Sept. 1, 12, 19, & 26 (different locations). All age 16 & up invited to learn about and participate in improv games in a fun, relaxed, and judgment-free setting. No experience necessary. The Sept. 19 meeting is followed by an hour-long skills session discussing and practicing a specific improv skill. 7–9 p.m. (Tues.) & 2–4 p.m. (Sat.), Riverside Arts Center (Sept. 1, 12, & 26), 76 N. Huron St., Ypsi; & Riverside Park, (Sept. 19), 5 W. Cross, Ypsi. Tickets $8 (Sept. 12, free; Sept. 19, $15) in advance via PayPal or Venmo linked from meetup.com/ypsi-improv or in cash at the door.

Every Wed.–Sun., Sept. 24–Dec. 20. Rhiannon Ragland directs retired Detroit newscaster and playwright Devin Scillian’s family comedy-drama about a conflict between brothers—an aging country rocker and a buttoned-down finance guy—after their mother’s death. Adult language and subject matter. 7:30 p.m. (Thurs.), 8 p.m. (Fri. & Sat.), 2 p.m. (Sun.), & 3 p.m. (Sat. & Wed.). 137 Park St., Chelsea. Tickets $31.50–$52.50 in advance at purplerosetheatre.org, (734) 433–7673, & (if available) at the door. Discounts available.