From the hamburger hut, Penny and Salt drove directly to the St. Agnes Apartment Hotel. The clerk on duty could not tell them if Jerry were in his room or not.

“Go on up if you want to,” he suggested. “Room 207.”

Climbing the stairs, they pounded on the door. There was no answer. Salt tried again. Not a sound came from inside the room.

“It’s no use,” the photographer said in disappointment. “Mark may have been mistaken. Anyway, Jerry’s not here.”

CHAPTER
12
A JOB FOR PENNY

Penny gazed at Salt in grim despair. “I was so sure Jerry would be here,” she murmured. “What can we do now?”

“We’ve run down every clue,” he replied gloomily. “If he isn’t at the hospital, I’m afraid it’s a case for the police.”

“But Mark was so sure he had seen Jerry tonight. Try once more, Salt.”

“Okay, but it’s useless. He’s not here.”

Again Salt hammered on the door with his fist. He was turning away when a sleepy voice called: “Who’s there?”