What has the author G D Martineau written?

Harriet Martineau (June 12, 1802–June 27, 1876), also known as Harriet Martineau, was an English social theorist and writer on political, economic, social, and religious subjects, as well as a prominent campaigner for women’s rights. She is best known as the author of the Illustrations of Political Economy (1832-34) and the travel books Society in America (1837) and Deerbrook (1839). She also wrote other novels and essays, and translated the works of Auguste Comte.