Events in Westport today -- Wednesday, Sept. 18

Author Lily Koppel: noon Westport Public Library. Writer discusses her new book, "The Astronaut Wives Club." http://bit.ly/1690J8q

Westport Weston Family Y: 4 p.m. Church Lane, downtown Westport. Family Y celebrates 90th birthday. http://bit.ly/19dBXz2

Chess Club: 4 p.m. Westport Public Library. http://bit.ly/1aStAQ9

Business Special: 6 p.m. Westport Public Library. Topic -- "Cold Calls Shouldn't Make You Sweat." http://bit.ly/16DK36C

Conservation Commission: 7 p.m. Town Hall. http://bit.ly/1eOVazD

Westport Library Board of Directors: 7:30 p.m. Westport Public Library. http://bit.ly/1f5fzhg