Joanna Martine Woolfolk (1940–2013) had a long career as an author, columnist, lecturer, and counselor. She wrote the monthly horoscope for numerous magazines in the United States, Europe, and Latin America—among them Marie Claire, Harper’s Bazaar, Redbook, Self, YM, and House Beautiful. In addition to the bestselling The Only Astrology Book You’ll Ever Need, Joanna was the author of Sexual Astrology, which has sold over a million copies worldwide. She was a popular television personality who has been interviewed by Barbara Walters and Sally Jessy Raphael, and had regular astrology segments on NBC’s The Morning Show, Live with Regis & Kelly on ABC, and on QVC.