15:30Open BookGarth GreenwellBBC Radio 4 Duration: 28 minutes Thu 30th Apr 2020, 15:30 on BBC Radio 4 FMAvailable for over a yearListen nowGarth Greenwell talks to Mariella Frostrup about his new book, Cleanness. Show more GenresFactualArts, Culture & the MediaBrandOpen Book Source: BBC Online