Michael was up by this time also, looking as sharp as a knife
with six blades and a saw, but Peter suddenly signed silence.
Their faces assumed the awful craftiness of children listening
for sounds from the grown-up world. All was as still as salt.
Then everything was right. No, stop! Everything was wrong.
Nana, who had been barking distressfully all the evening, was
quiet now. It was her silence they had heard.