"The secret of The Shadow," came the monotonous voice.
"At last it is understood! The man of many faces—with no face of his own!"
-The Black Master (1932)
Agents of the Shadowcast, Report!
in 1932's underrated and seminal pulp adventure, 'THE BLACK MASTER'!
"Not since Sherlock Holmes locked wits with Professor Moriarty have there been
such formidable opponents on the battlefield of crime!", raves the back cover
of the Pyramid reprint of this classic story.
The Shadowcast enthusiastically agrees.
Then, The Shadow and Margot Lane investigate the curious case of a crooked spiritualist
and a demented psychiatrist, plundering patients, and ultimately murdering them
in the recently-recovered 1947 Radio episode 'Séance of Death!'