ISBN-13: 9780099565369 / Angielski / Miękka / 2012 / 320 str.
Fergus O'Brien, a legendary World War One flying ace with several skeletons hidden in his closet, receives a series of mocking letters predicting that he will be murdered on Boxing Day. O'Brien throws a Christmas party, inviting everyone who could be suspected of making the threats, along with private detective Nigel Strangeways.