The following is a guest post by Mark Bacon, author of Death in Nostalgia City. If you would like to write a guest post on my blog, please send me an e-mail at contact@cecilesune.com. Agatha Christie’s Jane Marple belongs in an English drawing room in St. Mary Mead or perhaps somewhere in Cornwall. Author Raymond Chandler often stuck Philip Marlow in some dark alley in LA. Robert B. Parker’s Spenser inhabited…