Saturday 12/14: Sade Lanay and Uche Nduka join the Segue Series. Zinc Bar, 4:30 p.m., $5. Sunday 12/15: Kareem Rahma launches We Were Promised Flying Cars: 100 Haiku from the Future with Jennifer Baker. Bluestockings, 7 p.m., free. Mateo Díaz, Claudia Becerr, and others celebrate issue 4 of América Invertida. Berl’s Poetry Shop, 2 p.m., free.