Bob vaulted the fence and got down on hands and knees. He crept across the garden without making any noise, and paused right under the window of the room where there was a light. He could hear some one moving about inside. Finally, Bob ventured to raise his head and peer past the ragged end of a curtain. For fully five minutes the boy watched the miser. Then he went back to his friends.
“Well?” asked Frank.
“Mr. Dolby is in the house,” replied Bob, “but I didn’t see any one else.”
“Then the robbers aren’t there,” broke in Sammy.
“I don’t know that.”
“What are you going to do now?”
“Oh, keep on watching for a spell,” replied Bob, “and thinking.”
Bob wondered if he had better not go and tell the marshal all that he knew. The boy kept quiet until Sammy spoke in a quick whisper the words: