“Look at that mark!” whispered Jimmie hoarsely. “What is it?”
“It says ‘U-13’ as plainly as the freckles on your nose,” replied Harry, who stood nearest the table. “I don’t know what it means!”
A challenge from the sentry at the door drew the attention of those within the hut. For a moment every eye turned toward the entrance.
Ever on the alert, Jimmie saw a hand thrust through the open window. It seized the package and noiselessly disappeared.
CHAPTER II
DIFFICULTIES AND DANGERS
Finding that the disturbance had been caused by the approach of one of the refugees, who demanded an audience with the commander, but who had quickly been satisfied by the explanation of the sentry, the officer again gave his attention to the group before him.
“Proceed!” he ordered. “You may speak English for the benefit of these young gentlemen. Let us have the story, now!”