“I say! Sis! Cora! Stick out your head!” cried Jack.

Slipping on a robe Cora went to the casement.

“Go on away, Jack!” she ordered. “Let the girls sleep.”

“Sleep? Why, it’s nine o’clock,” he said. “Say, did the ghost walk?”

Cora yawned.

“Not even a creep,” she said. “I didn’t hear a sound.”

“Well, if that isn’t poor luck!” exclaimed Jack in disappointed tones. “There we go and stay awake half the night, expecting a summons to capture a spirit, and nothing happens. Camp Surprise! Where’s the surprise come in, I wonder.”

But there was plenty of time, as Jack soon learned.

CHAPTER XIII—THAT NOISE

One after another the girls drifted lazily downstairs to the dainty breakfast Mrs. Floyd had prepared for them.