"He was too tired out for that sort of a joke," Andy responded, showing his apprehension in his voice. "And as for the plane, he knew that was safe enough."
"Do you think he's sleep-walking again?" Don asked nervously, still trying to rub the sleep from his eyes.
"I'm afraid so," Andy replied. "That's the reason I wakened you two." He addressed himself particularly to Don: "You remember that night after the all-day struggle with the Germans."
"I'll not forget it soon," Don answered, buttoning his coat and shuddering, although it was not cold.
"What was that?" demanded Fred. "What happened at that time?"
"We three had to bunk up much as we did tonight," Andy explained. "It was while you were on another sector. We had had a mighty tough day. Along toward the middle of the night Don awakened just as I did tonight, and he missed Jack. He called me. We couldn't find him anywhere. We had heard about his sometimes walking in his sleep, but we'd never had any experience. A search though, proved that he must have gone that way. Luckily, we picked up a police dog, and from Jack's paraphernalia we gave him the scent. He led us for half an hour straight toward the German lines, and when we were almost in sight of their outposts, there was Jack, tramping along, head up, but dead asleep. Ugh! It was the weirdest thing I ever went through, and we had to waken him gently to avoid a nerve shock."
"Great Scott!" ejaculated Fred. "I never heard of that. You never told me a thing about it."
"Never thought to, I guess," Don answered. "Never liked to think about it, anyway."
"And we haven't any police dog with us tonight," Andy supplemented. "I haven't the slightest doubt but that he's wandered off from here the same way, but how we're going to get his trail is what is worrying me."