Tina Knowles' new memoir "Matriarch" is out now, and she is sharing more details about her life, including a battle with breast cancer.

Oprah Winfrey’s new book club pick is a memoir by an old friend and personal hero, Tina Knowles. Winfrey announced Tuesday that she had selected Knowles’ “Matriarch,” which was published this week.

Mother of stars Beyoncé and Solange grew up poor in Galveston and recently learned that her parents were from a notorious Louisiana island.