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.