Samia Smith drops in to talk about Maria's latest drama in Coronation Street, Downton Abbey stars Dan Stevens and Zoe Boyle are in the studio to discuss the return of the hit drama; Queen of women's fiction, Barbara Taylor Bradford is discussing her latest novel, A Letter From a Stranger; and as the 2012 edition of the Guinness World records hits the shelves, four Guinness record breakers are in the studio