To make a deliberate falsification for personal gain is the last, worst depth to which either scholar or artist can descend in work or life. (Letter to Muriel St. Clare Byrne, 8 September 1935)

Sayers once commented that Lord Peter was a mixture of Fred Astaire and Bertie Wooster which is most evident in the first five novels. J. In addition to the ingenious thinking in working out this analogy the book contains striking examples drawn from her own experiences as a writer and elegant criticisms of writers when the balance between Idea Energy and Power is not in her view adequate.

She is also known for her plays literary criticism and essays. She was also a student of classical and modern languages. However Sayers herself considered her translation of Dante's Divine Comedy to be her best work.