"What have they done now?" demanded Jefferson.
"They have been trying to tamper with the gaolers."
"How was it discovered?"
"The traitor, whoever he may be, let fall a letter that he was carrying to Mathias."
"That's lucky. Well, did they discover any thing?"
"No; it was written in cypher."
"The cunning rascals!"
"Now, I've got more news for you," Dick went on to say.
"Out with it, then."
"You have heard of the Arab who tells fortunes in the town?"