15:30Kate Grenville - The Secret RiverEpisode 1: A London Boatman's StoryBBC Radio 4 Extra Duration: 15 minutes Mon 17th Jan 2011, 15:30 on BBC Radio 7London boatman William Thornhill's epic move across the world in 1806. A story of belonging and ownership read by Ron Cook.GenresDramaFormatsAudiobooksSeriesKate Grenville - The Secret River Source: BBC Online