        She couldn’t see a harness, so it was a picture of the back of the wagon.  It looked like it had a big open area, and in front of that was a taller enclosure, which was clearly meant to seat the teamster.  In front of that was another enclosed area, whose purpose was less clear.  Now that she had figured it out, she could clearly see that it had a hinged tailboard—that is what the letters were on—and doors, to get into the cabin.  And, she could read the big letters.  “See-aitch-ee-vee-ar-oh—“  The creature had a disappointed look on its face, and Lyra’s ears fell.  Maybe this wasn’t what she was supposed to be looking at.