Jill Zarin, of “The Real Housewives of New York,” her mother, Gloria Kamen, and sister Lisa Wexler will read from their book “Secrets of a Jewish Mother,” April 5 at the Hadassah’s Spring Gala, at Har Zion Temple (1500 Hagy’s Ford), in Penn Valley. Tickets for the gala, chaired by Lori Levin and Sharon Taffet, are going fast and can be ordered until Wednesday at philly.hadassah.org. You need not be a member of Hadassah or Har Zion to attend.