"Hello, Nappy! Hello, Slugger!" called out Jack loudly. "Where are you?"
To this call there was no reply.
CHAPTER XXIV
DICK ROVER'S REVELATION
"We've been tricked!" exclaimed Randy.
"Just what I think!" burst out Fred. "They didn't bring us here to see Gabe Werner at all!"
"There isn't a soul around the building, that's certain," remarked Andy. "What do you suppose has become of Nappy and Slugger?"
The Rovers looked around in the fast-gathering darkness, but could see no one. Then they walked around the building several times, peering in all directions for a sight of the fellows who had brought them on this strange mission.
"It's a storehouse, right enough," announced Jack. "And my opinion is that everything is nailed up except the front door, and that, as you can see, has a padlock on it."