I loved to read when I was a girl, but my very favourite books were The Jolly Postman and The Jolly Christmas Postman. In the books, the Jolly Postman goes from home to home in a fairy-tale kingdom, delivering letters to such familiar addresses as “Mr. and Mrs. Bear, Three Bears Cottage, The Woods.” Every other page is an actual envelope, with a letter tucked inside. The letter to the…