Edgar Wallace was a prolific British writer in the early 20th century, known for his crime and detective fiction. The Devil Man is one of his lesser-known works, but it is a classic example of his style.

The story follows Inspector Elk of Scotland Yard as he investigates a series of murders that seem to be connected to a mysterious man known as "the Devil Man." The Devil Man is said to have supernatural powers and the ability to control people's minds. Elk is initially skeptical of these claims but soon discovers that there may be some truth to them.

The Devil Man is a thrilling mystery full of twists and turns. Wallace's writing style is fast-paced and engaging, and he keeps the reader guessing until the very end. 

Edgar Wallace (1875-1932) was a British author, journalist, and playwright, best known for his crime and detective novels. He wrote over 170 novels, 957 short stories, and 18 stage plays during his prolific career. Wallace's work was popular in his time, and his novels were often adapted for film and stage.