“Why not?”
“Why, we don’t know what the effect may be—perhaps there is someone inside there.”
“Pshaw! The place has not been visited in years, if looks go for anything.”
“You can’t tell; however, I see you are determined to whistle all the same.”
“I am, for I see no reason why I shouldn’t—here goes!”
Jack pulled out his whistle and blew a shrill blast.
After waiting a moment the answer came.
“What in the world does that mean?” Harry exclaimed.
“What?” demanded Jack.
“Why the answer to the whistle came from the wrong side of the island—didn’t you hear?”