In Defence of Harriet Shelley sees Mark Twain passionately defending Harriet Shelley, the first wife of poet Percy Bysshe Shelley, against historical criticisms of her character and actions. Twain delves into the complexities of Harriet’s life and the tragic circumstances surrounding her suicide, challenging the vilification she suffered in biographical accounts that favoured her famous husband. This essay is appreciated for its empathetic perspective and Twain’s critique of biased historical narratives, showing his deep concern for justice and truth in the examination of historical figures.