London: Michael Joseph, 1938. First Edition. Hard Cover. Dust Jacket. First UK Edition. Pale blue boards with yellow spine lettering. A VG copy rubbed to the edges. Pale yellow end-papers. In the VERY RARE D/W priced 7/6 net to the inside flap as called for. The D/W has minor wear and some dust soiling to the rear panel but is overall an attractive example. Exceedingly uncommon. A locked room mystery. Second book. [Attributes: First Edition; In Dust Jacket]