Few cities can boast such a distinguished literary pedigree as Edinburgh. Burns, Scott, Conan Doyle, Buchan, Dorothy Dunnett and J.K. Rowling have all lived in the city; Wilfred Owen and Siegfried Sassoon convalesced there (inspiring Pat Barker's Booker-prize-winning Regeneration trilogy), and Dickens and Thackeray came on triumphant reading tours. Visitors have ranged from Defoe and George Eliot to Wordsworth,...