some questions about the text
- susan, i don't think the shadow is the birds later seen-they are not silent,
nor do they fly at night searching.
it could be a nazgul except they would feel more dread i think-unless it is
very high up, perhaps and still less potent after it's recent defeat
still there are forces of ill will other than those of Sauron at lose in the
world, as Gandalf has told