a closed book

He was himself, a closed book to others, as always.

Students should understand that science is rarely a closed book.

But your own past can be a closed book, even at fourteen.

History is never a closed book or a final verdict.

Up to now, the subject of his father has been a closed book, at least publicly.

What ever happened to a reader who could say to a closed book: "Tell me a story!"

It's not a closed book if he starts against Denver.

So I think that's pretty much a closed book for me."

Recovering, she laid a hand on the now closed book.

They all looked at the closed book, and then at one another.

"Except maybe for a few people in the inner circle, he's a closed book."

As if the closed book could be reopened and read again, with a different ending.

And Sam's work was a closed book to her.

I'd prefer to think of it as a closed book."

Carter laid the paper and the envelope upon the closed book.

Not, obviously, on the topic of abortion, a matter which appears to be a closed book.

It's a closed book in my life, and a book that is just beginning to open for you.

Indeed, the American repertory has remained a largely closed book.

Increasingly, however, "victim" countries are refusing to view history as a closed book.

Apparently Schumann felt that with the husband's death, the wife's life, too, is a closed book.

In short, they will forever remain a closed book.

"I didn't mean to open pages in a closed book."

"That part of my life is a closed book.

The science of attack was a closed book to Henry; and as for defense, such a thing had never entered into his calculations.

Nor can one assume for a moment that the history of Edison's laboratory is a closed book.