The morning after our arrival in London, Natalie awakens at four a.m. and cannot go back to sleep. Instead she reads and studies the map of London and gets all excited about visiting Persephone Books. Natalie has been studying Persephone’s website — http://www.persephonebooks.co.uk — for weeks before our trip and has identified the books she wants to find and place in her suitcase. (Note: Some will have to be mailed due to her small suitcase being unable to accommodate the weight and volume.) To set the stage, here are few introductory notes from their website: “Persephone Books began in a room above a pub in the spring of 1998. Founder…