<p>Edgar Wallace's 'The Sinister Man' is a gripping crime mystery that delves into the murky depths of murder and international intrigue. Set against the austere backdrop of early 20th-century England, Wallace weaves a tale filled with suspense and richly detailed characters. The narrative unfolds in his signature style?of which the prose is at once economical and evocative?while engaging readers with a complex plot that connects an Oxford profes...