Personal letters by celebrated author Charles Dickens are to go on display for the first time later this year. The 25 unpublished letters are part of a large collection of manuscripts, books and personal items from his library that have been acquired by The Charles Dickens Museum in London from an American collector at a reported cost of £1.8m.

While he was writing “A Christmas Carol”, Dickens sent a letter dated November 9, 1843 to a close friend, which reads: “I have half done the Christmas Book, and am resting for two days before going to Chuzzlewit [his novel Martin Chuzzlewit] – that is, if I can call anything rest, with that before me.”