Its time to get your thinking caps on as two masters of the cosy crime genre share just how they manage to create such compelling whodunnits. MasterChef semi-finalist and now crime writerOrlando Murrin returns with chef Paul Delamare, who has been roped into accompanying an old friend on a luxury cruise in Murder Below Deck. And bestselling author Janice Hallett shares her newest book The Killer Question, a fiendishly clever story of missing persons, murder and battling pub quiz teams.