In the title story, a young matron from a convalescent home is found dead in a quiet Maida Vale street. The Daily Telegraph ran an article headed GÇÿMurder or SuicideGÇÖ on the subject of the mysterious death. In GÇÿThe Hocussing of CigaretteGÇÖ an earlGÇÖs racehorse is the victim of attempted poisoning. GÇÿWho Stole the Black DiamondsGÇÖ concerns a mystery that bewilders police and diplomats across Europe. All of the twelve detective stories in this volume are puzzled over by OrczyGÇÖs mysterious armchair detective, the GÇÿOld Man In The CornerGÇÖ.