Miss Parritt Disappears

Published in Blue Book Magazine November 1931.
Taking place before the events of The Gold Comfit Box, it is the Summer of 1913. A Dane named Andresen working for the British Secret Service reporting on German Naval activity at the northern port of Kiel has gone missing. The highly experienced female operative Frances Parritt is sent to discover what happened to him. Now she too has gone missing and Philip Clavering is sent to find her. He finds she is involved with Dr. Adolf Grundt, aka Clubfoot.