New York, Farrar & Rinehart, 1939. First edition. Pinkerton and Inspector Bull are incognito while seeking a murderer at an English boarding hotel. Vivid blue boards with black titling, Corners bumped with wear to extremities. Apparent tape residue to endpapers, with rear showing a scraped area, as from its removal. DJ shows wear and chipping to extremities with a couple of tiny open tears. $75.00.