"Better not let my father hear you," said Warren. "He would tell you
that all that section is historic, and therefore valuable."

"Perhaps it has been," said Ivan. "But we can always refer to your
father's great book on Warsaw, and what the world needs now is light
and space and air."

"Well," sighed Warren, "perhaps the book will help some college grind,
but if he had let the old thing slide, he would never have lost my
sister."

"I do think that we ought to look at it a little from your father's
standpoint," said Ivan gently. "You know the children were in the
house and the door shut. They were playing contentedly, and he thought
it would only take a minute to go upstairs and get the parcel. No
doubt he was a good deal longer than he thought he would be, but he
thought everything was as safe as it could be. I think we would have
done the same thing. Be fair, Warren. Don't you think so?"

"I suppose so," said Warren. "Only now it seems as though it was not
safe to leave them a second."

"That's how it has come out," said Ivan, buttoning his blouse, "but
that's just the sort of thing no one could foresee. One thing seems
certain, if we find them near, or in the house, well and good. If they
are not around there somewhere, I believe Evelyn has solved the thing.
It doesn't seem possible, though, that anyone could have opened the
door, and walked in, and dragged the children right in the house,
without the least sound of disturbance reaching your father upstairs.
Myself, I don't believe the door was close latched, and it may be the