“Beware of traps!” sang out Pepper. “Crabtree may be waiting for you with a club.”
“Or a shotgun,” added Dale, with a grin.
Jack walked to the door and turned the knob. To his surprise the door refused to open. He tried to shake it, but it remained firm.
“What’s the matter?” cried Pepper.
“The door is locked.”
“Locked?”
“Yes.” Jack stooped down and looked into the keyhole. “The key is on the outside,” he added.
“Perhaps somebody is playing a trick on us,” suggested Dale.
“Yes—Crabtree and Cuddle,” murmured the young major.
“Let’s try the door to the next room,” suggested Andy.