know it does seem that the German spies are able to penetrate nearly everywhere, and pick up all sorts of valuable information, to send across the line in any one of a dozen different ways."
"Yes. But go on, Tom."
"It seems there is need of some one to go to-night to a particular place far back of the German lines—in fact, close to the fortified city of Metz itself. In a certain place, inside a hollow post, will be found a paper marked in cipher, and containing much valuable information which has been collected by one of the ablest of the French spies. He is really a native of Alsace-Lorraine, and well thought of by the Germans. As it is utterly out of the question for him to report in person, he has adopted this way of getting his news to General Petain. And as there is a scarcity of pilots capable of doing this work our captain has selected me to undertake it for the cause."
"But Tom, I should have thought he would have picked out some one more familiar with the ground back there. How can you find your way to that particular place, if you've never been there before?"
"I've been given directions that are bound to take me right," Tom assured his worried chum. "There was a man they used for this
