Portable MagicBy: Emma Smith 'A fascinating journey into our relationship with the physical book I lost count of the times I exclaimed with delight when I read a nugget of information I hadn't encountered before' Val McDermid, The Times Most of what we say about books is really about the words inside them: the rosy nostalgic glow for childhood reading, the lifetime companionship of a much loved novel. But books are things as well as words, objects in our lives as