        “I don’t know.”  Lyra looked at her thoughtfully.  “Of all his writing I’ve seen—and you will see, too—there is no discernable pattern.  He writes the names of its months in all strong letters, as well as the names of its wagons.  In his books, they seem to be used indiscriminately, although strong letters are either used at the beginning of a word, or throughout the entire word, so they are clearly for some sort of emphasis.”