Mary Louise’s eyes narrowed until they were only slits; she was thinking deeply. Mary Green—alias Miss Jackson! The next step was to find out whether Pauline Brooks too had a different name at this hotel!

Maybe at last she was on the right track.

CHAPTER X
In the Dead of Night

“How about a movie?” suggested Max, as the young couple left the hotel dining room.

“Oh no, Max,” replied Mary Louise. “No, thanks. I have to work now. I’m going to stay right here.”

“In the hotel? Doing what?”

“Some investigating.”

“You think that young man is guilty? He looked honest to me.”

“No, I don’t believe he’s guilty. I—I’ll explain later, Max, if anything comes of my investigations.... Now, run along and do something without me.”

“Can I see you tonight?”