4/4. On the final leg of her 6,000-mile journey in the footsteps of Charles Dickens, Miriam Margolyes heads south from Montreal down the Hudson river valley towards New York, visiting the Shaker community of Mount Lebanon and the West Point military academy along the way.
(Revised repeat from BBC4)
(A Christmas Carol on Radio 2, 11.45pm Christmas Day - 29 December)