Charles Dickens in London. For this festive Christmas Special, the actor and author Simon Callow joins Henry to summon the ghost of Ebeneezer Scrooge and follow him around the City of London, starting at Cornhill, taking in Leadenhall Market and meeting all three Spirits of Christmas. A Christmas Carol, Dickens’s best loved novel, was published on 19 December 1843, 180 years ago this year.