e time and you must know not only how to get
there, but also how to take advantage of short cuts. We'll get some
maps after a time and study them."

His young companions plied their leader with a thousand questions.
They wanted to know the names of all the big buildings in sight. They
had all heard of the Waldorf-Astoria Hotel and they gazed up
Thirty-fourth Street at this well-known hostelry with much curiosity.
They had heard of the Times Building and were eager to see it.

"We can't spend much time sightseeing just now," said Captain Hardy.
"We must get into touch with the police and the secret service people
and get our instructions. Then we will take a day or two, if possible,
and see something of the town. It is most important for you to become
well acquainted with it at once. But I guess we can take time to slip
up to Times Square. It's only eight blocks up Broadway. Now I want
you boys to see everything you can as we go along, and to try to
remember all that you see. Wherever you go you must remember that you
are in New York to detect German spies and presumably to run down
German wireless outfits. We don't know where they are. We may be
looking at one this very instant. So keep your eyes open. If you see
anything that resembles a wireless outfit, or that might be used for
sending messages, take careful note of it. And keep your ears open for
suspicious conversations. Because you are boys, people will be less
careful in their talk when you are present than they would be with
older people about. The more youthful and unsophisticated you can make
yourselves appear, the better it will be for your purpose."

Slowly the little party made its way up Broadway. By degrees the lads
became accustomed to the roar of the traffic and the rush of
pedestrians. At Times Square they paused for a look at the great
newspaper building that gives the place its name, and at the great
hotels rising on every side. Then they passed down a long flight of
steps and found themselves in a low, vaulted, underground subway
station.

"Makes you think of the dugouts on the firing-line in France,"
suggested the quick-witted Roy.

An instant later a train thundered up to the platform and the boys
boarded it. A short ride and a short walk took them to Police
Headquarters.

Captain Hardy sent his card to the Police Commissioner, with the
request for a brief interview. A few moments later he had presented
his credentials