“You’ve hit the nail on the head, Jack.”

“Do you mean to say you won’t tell us where we are to go?” flung out Fred.

“Nope! Can’t! Dad says we’re to keep it a secret until we are ready to start.”

“Come on, Jack, we’ll pound it out of them!” cried the youngest Rover, and sprang at the twins, followed by his cousin.

“Stop! Stop! It won’t do you any good to fight,” spluttered Randy, when he found himself backed into a corner.

“Then spill the beans, and spill ’em quick,” ordered Jack.

“It’s all well enough for outsiders to keep a secret,” broke in Fred. “There shouldn’t be any secrets among us fellows. Come on! Tell us where we’re to go.”

“I can’t do it—not until the day we are leaving school. Those are dad’s orders,” said Andy.

“And that’s the truth,” added his twin. “You’ll know where you’re going to spend your vacation on the day you’re ready to leave Colby Hall.”