Undoubtedly the best-selling author of his day and well loved by readers in succeeding generations, Charles Dickens was not always a favorite among critics. Celebrated for his novels advocating social reform, for half a century after his death he was ridiculed by those academics who condescended to write about him. Only the faithful band of devotees who called themselves Dickensians kept alive an interest in his work. Then, during the Second World War, he was resurrected by critics, and was soon being hailed as the foremost writer of his age, a literary genius alongside Shakespeare and...