New York, Buccaneer Books, 1976. Near fine in bright green boards. Originally published in 1916 and also known as 'Second Floor Mystery.' A pre-Chan Biggers novel, not a facsimile but the print and font are similar to the original. Black and white illustrations. Slight softening to spine ends. Half title page partly detached. Binding a touch loose in a couple of spots. $12.50.