Joining Hazel Marshall to discuss what makes a great adaptation are Stewart Harcourt – Stewart has adapted many Poirots for ITV including Clocks from Christmas 2011 and Treasure Island with Eddie Izzard as Long John Silver for Sky 1 at New Year and Sarah Phelps – Sarah adapted the much discussed Great Expectations with Gillian Anderson as Miss Havisham for the BBC in December 2011 and Oliver Twist for the BBC in 2007.