Phil’s gray-blue eyes lighted up with anticipation. This would be the most exciting day of the whole summer for Penny and Phil.

“I’ll carry your bags up to your room,” he said to Peter. “No, I don’t need any help. I know Penny is dying to show you all over the Lodge and the grounds.”

Marjorie watched them stroll off together arm in arm. She was glad Peter was here and that Adra was coming soon, but she did so want to be alone with Penny for a few minutes sometime that day. “We’ve got to show her the clue we found in the bottle down on the beach,” she said to Judy. “Maybe the map is a phony, but I’m sure the scrap of paper in my pocket means something.”

“I am, too,” Judy agreed. “And I’m not so sure that the map is a phony. It looked so old and weather-beaten. Somebody might have found it just the other day and put it in the jewelry box lid for safekeeping.”

Marjorie stared at her thoughtfully. “Who do you suppose this somebody is who is lurking around here, and writing anonymous letters? It must be the same person, but how did he get into the storage room without being seen?”

Judy shrugged. “Don’t ask me. Let’s talk it all over with Penny the first chance we get. Then she can discuss it with Peter. He’s sort of an amateur detective, isn’t he?”

Marjorie nodded. “Heaven knows when we’ll be able to say more than two words to Penny.”

Adra arrived just before dinner, and once again there was excitement and tumult. Jimmy and Marjorie greeted the lovely, fragile-looking girl with shouts of welcome. Penny hugged her affectionately, but Philip could only hold her hand in his and stare down at her wordlessly.

But the expression on his handsome face told Adra more than anything he could have said.

Penny’s duties as hostess and housekeeper kept her busy until late in the evening. At last, when she was alone in the office planning the next day’s program, Marjorie and Judy could stand it no longer. They burst into the room, and Marjorie blurted: