“What is it?”
Drew showed him the contents and read the note.
“Curious sort of writing,” he ended. “And look how he signed it: ‘The G.G.’”
“That,” drawled Howe, “could stand for ‘The Galloping Ghost.’”
“It must!” Drew struck the table with his fist. “But why all the secrecy?”
“That,” Howe replied thoughtfully, “will probably come out later. The only question that matters seems to be: Is this ghost with us or against us?”
“With us. Can’t be any doubt about that.”
“Then we’d better follow his suggestions.”
“Collect pocket knives?”
“Why not? Interesting collection. What sort of knives do crooks carry? Bet you can’t tell. Well, now we’ll know.”