[1] Most of her books have focused on the lives of women in politics, business, sports, literature and public life, including the biography, Margaret and Gough: The Love Story That Shaped a Nation (2014), which chronicled the life of the former prime minister Gough Whitlam and the love he shared with his wife and partner Margaret.
[2][3] Mitchell also wrote opinion pieces about political and social issues for The Australian, as well as feature articles for various media in Australia and the U.S. She is an adjunct professor emeritus at Flinders University.
Her 1997 book Icons, Saints and Divas: Intimate conversations with women who changed the world includes Gloria Steinem, Betty Friedan, Erica Jong and Germaine Greer.
[8] In April 2017 Mitchell was named the Ambassador for Mature Women for a joint South Australian government, Office for the Ageing and COTA SA project.
The first collection (acquired 1989) includes 41 cassettes of interviews conducted with prominent Australian women as research for her first three books (1981–87).