From a business point of view, Burberry is a gigantic techno-beast, surfing on a digital tsunami. But Christopher Bailey's particular skill is to balance the highest tech with the softest touch. His favorite inspirations seem to be gentle manifestations of British culture: handcrafts, mournful balladeers, watercolors, village greens…and the latest, the books he's been finding in flea markets, which may be the most charming yet.