Cleek, Volume 2: The Riddle of the Night, Cleek's Government Cases, the Riddle of the Purple Emperor

Hamilton Cleek, master of disguise, assists Superintendent Narkom of Scotland Yard in solving crimes while fending off dangers from his criminal past. The Cleek stories were written by Thomas W. Hanshew, until his death in 1914. His wife, Mary E. Hanshew, then took over this popular pulp mystery series.