"I've been thinking I'd do that. There must be something in Blair's past that can be unearthed and may prove enlightening. I could do it in a week, and it might be time well spent."
"Of course it would. And, truly, there's no way to look, here. I've thought and thought but we've no hint or clew pointing to any one but Thorpe,—and, it wasn't Thorpe."
Then Zizi told him of the strange man she had seen in the Crane library the night before.
"And you let him get away! Why, Zizi?"
"He was no burglar. I saw that. There was no use in alarming the house. He was——"
"Well?"
"Oh, I knew at once who he was. He was the John Harrison who sent that Douglas person here to interview Mr. Crane."
"Well, is he to be allowed to walk in and out as he chooses! How did he get in?"
"I don't know, but I hope he'll come again. I like him. Why, Penny, he's a gentleman."
"But who is he? What's he up to?"