Not long after her father died, Afsaneh Najmabadi discovered that her father had a secret second family and that she had a sister she never knew about. In Familial Undercurrents, Najmabadi uncovers her family's complex experiences of polygamous marriage to tell a larger story of the transformations of notions of love, marriage, and family life in mid-twentieth-century Iran. She traces how the idea of "marrying for love" and the desire for companionate,...