Matthew Phipps Shiell (July 21, 1865 – February 17, 1947), known as M. P. Shiel, was a visionary British author celebrated for his 'scientific romances' and complex mysteries. While famous for supernatural horror, he made a striking contribution to detective fiction with his character Prince Zaleski. A decadent and brilliant 'armchair detective,' Zaleski solved baffling crimes through deep philosophical analysis and pure mental intuition. Shiel’s ornate prose and imaginative plotting added a layer of intellectual sophistication to the genre, bridging the gap between Victorian gothic and the structured logic of the early 20th-century mystery.