New York: Walker and Company, 1966. First American Edition. First printing. Octavo (20.5cm.); red paper-covered boards with black lettering, in red pictorial dustwrapper; 191pp. Textblock toned and soiled along edges, and toned along page margins. Evidence of damping on rear endpaper, else sound and sturdy. Boards lightly faded along upper extremities, with soiling along inner panel margins. Textblock and boards both Very Good+. Dustwrapper has surface wear and staining, especially along extremities. Mostly trivial creasing and tears along edges; small chip with material loss on lower front corner, plus spine ends. Sticker on front panel. Foxed on verso; inner flaps soiled along upper extremities; just Very Good. 23rd in Creasey's long-running British adventure series starring The Toff, an aristocratic sleuth; this story concerns a matrimonial agency and a string of disappearances.