"All right," Miss Ladd assented. "I'll commission you two to act as spies to approach the border of the enemy's country and make a map of their fortifications. But whatever you do, don't get caught. Keep your heads, don't do anything foolish or spasmodic, and keep this thing well in mind, that it is far better for you to come back empty handed than to make them suspicious of any ulterior motive on your part."