Greenwich – Discussion and book signing with Mosab Hassan Yousef, author of Son of Hamas: A Gripping Account of Terror, Betrayal, Political Intrigue and Unthinkable Choices, and the subject of the film “The Green Prince”; 7 p.m.; Temple Sholom, 300 East Putnam Ave., www.templesholom.com, (203) 542-7165, alice.schoen@templesholom.com.