She is the author of Fallenness in Victorian Women's Writing: Marry, Stitch, Die, or Do Worse (1998) and The Hour and the Woman: Harriet Martineau's 'Somewhat Remarkable' Life (2002). She is also the editor of Writings on Slavery and the American Civil War by Harriet Martineau (2002) and Harriet Martineau's Writing on the British Empire (2004).