Author Barbara Taylor Bradford, best known for her debut novel "A Woman of Substance," has died at age 91. Her books often starred strong women.

She became a publishing sensation in her 40s with the tenacious saga “A Woman of Substance” and wrote more than dozen other novels.

Barbara Taylor Bradford, the bestselling author whose novel 'A Woman of Substance' was adapted into a Channel 4 miniseries, has died. She was 91.