After her mother's death in the mid-1990s, Marylou Depeiza decided to find out what might be the mystery at the center of her mother's life, something she had tried to uncover before but been told to stay away from. Leola Williams, wife of a World War II veteran who was raising a family of six while living in the South End, had a secret life that her daughter discovered doing genealogical research on the Internet. "Walking in her Shoes" is the result. Depeiza will read from the suspenseful novel based on her mother's life at the South End Library, Tuesday, November 27, at 6:30 PM.