"But at that, blows fell on the door and presently it fell and the
soldiers rushed in. Your father had his book and was trying to hide it
in the lining of a chair. Of course they at once thought it must be
plans or something of the sort, and Professor would not tell them a
thing and we couldn't because we could not make them understand that it
was just a book about the history of Warsaw.

When they took it from your father, of course he resisted, and that
settled the matter. We had to go to the headquarters. Of course, your
father would have followed his book wherever that went. As we started,
the officer took Evelyn by the arm, and I think I hit him pretty hard
for it. Anyway he gave a command, and a dozen big fellows took me and
tied me up and carried me down here. It is a good thing you came,
Warren." He shuddered as he thought of the possible ending that his
adventure might have had.

Warren was deep in thought. One event pressed so closely on another
that things lost their significance and importance.

"We have got to get a hustle on now," he said.

"Your American hustle-on; that means act quickly, does it not?" said
Ivan. "We must indeed hustle on. Let us find where they are, and then
apply to your Consul."

"That's all right," said Warren, "but I don't think they are in any
immediate danger and I think the first thing to do is to got hold of
Elinor."

"Get hold of her," said Ivan. "Do you know where she is?"