For answer the Professor took a book down from a shelf.
He read the reported cases for some little time, then started taking other case books from the shelves.
"You should see him read to them every night from their own shelf of books."
He looked up, because the voice was coming from the shelf.
He looked away to take a book down from the shelf.
He took a box from a shelf and reached inside.
Looked up, took one of Peter's medical books from a shelf, and got back into bed.
I went home and saw my son standing on books he had pulled from a shelf.
"She needs him to get something down from a high shelf."
Maybe now's a good time to get it down from the shelf again.