September events at the Allentown Public Library, 1210 Hamilton St., Allentown, include:

“Baseball on the Battlefield: Civil War Baseball,” Michael Jesberger, historian and reenactor, 10 a.m. Sept. 16

Lehigh County history presentation by Lehigh County Historical Society, 2 p.m. Sept. 26

Book Club: “The Maid” by Nita Prose, conference room, 6 p.m.-7:30 p.m. Sept. 26. Request to borrow copy of book at Reference Desk of Drive-Through Window.

Information www.allentownpl.org