The Exploits of Chevalier Dupin the introduction by Ellery Queen, and the non-fiction piece on Dupin by Harrison. "The Exploits of Chevalier Dupin" contains the following tales: The Exploits of Chevalier Dupin The Exploits of Chevalier Dupin is a collection of detective short stories by author Michael Harrison. It was released in 1968 by Mycroft & Moran in an edition of 1,917 copies. The stories are pastiches of the C. Auguste Dupin stories of Edgar Allan Poe. The stories were first published in Ellery Queen's Mystery Magazine. There is an expanded UK edition by a different publisher which adds a further five stories This appeared
Charles Dupin Charles Dupin Baron Pierre Charles François Dupin (6 October 1784, Varzy, Nièvre – 18 January 1873, Paris, France) was a French Catholic mathematician, engineer, economist and politician, particularly known for work in the field of mathematics, where the Dupin cyclide and Dupin indicatrix are named after him; and for his work in the field of statistical and thematic mapping, In 1826 he created the earliest known choropleth map. He was born in Varzy in France, the son of Charles Andre Dupin, a lawyer, and Catherine Agnes Dupin. He studied geometry with Monge at the École Polytechnique and then became a