In July 2015, Kristina Horton — great-granddaughter of famed labor activist Ella May Wiggins — published Martyr of Loray Mill, a biography of her forebear. Xpress spoke with Horton ahead of her reading at Malaprop’s on Sunday, Jan. 17, to discuss Wiggins’ life, the meaning of her struggles and why it remains important to remember Ella May’s sacrifice.