The Jewish Genealogical Society at the Wayne YMCA meets for a discussion on Israel Pickholtz’s new book, “Endogamy Is Not a Brick Wall,” led by the author. The Charles & Bessie Goldman Library opens at 7 for resources and socializing. The group is a member of the International Association of Jewish Genealogical Societies. Refreshments. Free. Y, (973) 595-0100; JGS, Susan, (732) 412-7606, or Judy, (973) 226-7049.