15:30Kate Grenville - The Secret RiverEpisode 3: The Sign of the Pickle HerringBBC Radio 4 Extra Duration: 15 minutes Wed 19th Jan 2011, 15:30 on BBC Radio 7London convict William Thornhill arrives in the alien land of Australia's New South Wales in 1806. Read by Ron Cook.GenresDramaFormatsAudiobooksSeriesKate Grenville - The Secret River Source: BBC Online