Saturday 3/11: Carolyn Hembree, Neil Shepard, and Terese Svoboda read poetry. Berl’s Poetry Shop, 7 p.m., free. Chris Tysh and Cole Swensen join the Segue Series. Zinc Bar, 4:30 p.m., $5. Sunday 3/12: Joshua Mohr discusses his memoir Sirens with Charles Bock. McNally Jackson Books, 7 p.m., free.