GILSON, Captain CHARLES: On Secret Service. Containing certain passages in the lives of Daniel Wansborough, Ex-Superintendent-Detective, and Felix von Arnheim, Master Spy, Concerned in the plot of the Triangles of Death. Illustrated in colour by John De Walton.
London, Humphrey Milford, Oxford University Press, 1920 1st edition
Hardback, 7.5 x 5 inches. Blue cloth, printed coloured pictorial designs and gilt lettering to spine. Plain endpapers. Edges blued. In very good condition. Corners bumped and rubbed, rubbing to ends and some fading to spine. Some rubbing and darkening to boards. Minor crease to front corner. Endpapers clean. Some darkening to half-title page, the odd minor spot, else pages very clean and tight throughout. 238pp. Illustrated with 4 colour plates by John De Walton.