Brookline: Boston Globe reporter Sally Jacobs discusses her new book, “The Other Barack: The Bold and Reckless Life of President Obama’s Father,’’ in which she brings to light the complicated story of Barack Obama Sr. (pictured), an alcoholic polygamist who abandoned two families, and was a brilliant economist and a bold dreamer, Wednesday, 7 p.m., at the Brookline Booksmith, 279 Harvard St. Free. 617-566-6660, www.brooklinebooksmith-shop.com.
Lincoln: The Antique Auto Show will feature more than 200 classic and antique vehicles, music by the New Liberty Jazz Band, food concessions, family activities, and tours of the Codman Estate on Sunday, 8 a.m. to 2 p.m., at 34 Codman Road. $5. 781-259-8098, www.historicnewengland.org.
Watertown: Singer-songwriter Chris North Alspach will help raise funds for a Monson church ravaged by this spring’s tornado in a benefit concert Saturday, 6 p.m., with seating on the lawn at First Parish of Watertown, 35 Church St. Bring blankets, chairs and a picnic dinner. Donations. 617-924-6143, www.fpwatertown.org.
Event organizers: Submit items directly to boston.com/addevents.