The collection comprises twelve of her fourteen stories featuring detective James Parker Pyne; the two remaining stories, Problem at Pollensa Bay and The Regatta Mystery were later collected in The Regatta Mystery in 1939 in the US and in Problem at Pollensa Bay in the UK in 1991 although these were originally stories featuring Hercule Poirot when they were first published in the Strand Magazine in 1935 and 1936 respectively.
Kumpulan cerpen tersebut terdiri dari dua belas dari empat belas cerita buatannya yang menampilkan detektif James Parker Pyne; dua cerita lainnya, Problem at Pollensa Bay dan The Regatta Mystery kemudian dicantumkan dalam The Regatta Mystery pada 1939 di AS dan dalam Problem at Pollensa Bay di Inggris pada 1991 meskipun aslinya cerita-ceritanya menampilkan Hercule Poirot saat mereka pertama kali menerbitkannya dalam Strand Magazine masing-masing pada 1935 dan 1936.