"More than any living poet I know, Russell Thorburn invites us into the company of recurring characters inhabiting a fully-formed world of the imagination. His work reads, collectively, like a vast, ongoing novel in which we join personalities from John Keats to John Lennon to Marilyn Monroe and get to discover what they are up to these days. In this new book, for example, I was delighted to learn that Keats and his gal Fanny are hiding out in...