Download six walks that highlight Dickensian landmarks in London, including places that Dickens frequented and the areas that feature in his books. Compiled by Andrew Pitcairn-Hill, these walks provide a frame of reference for Our Mutual Friends as a whole, and will be walked anew by six well-known writers, who will each produce a record, on Tumblr, of what they saw on the day, and what the journey called to mind.