John Buchan - Sick Heart RiverEpisode 2BBC Radio 4 Extra Duration: 15 minutesFirst broadcast: Tue 30th Jun 2009, 14:30 on BBC Radio 7Latest broadcast: Wed 5th Apr 2017, 02:00 on BBC Radio 4 ExtraUndertaking his last mission, Sir Edward Leithen probes the life of a missing New York businessman. Read by Paul Young.GenresDramaFormatsAudiobooksSeriesJohn Buchan - Sick Heart River Source: BBC Online