them, but the door knob rattled aimlessly.
“What’s the matter?” said Tommy sharply.
“Ah, Monsieur, but someone must have locked it on the other side.” She caught up a towel and tried again. But this time the door handle turned easily enough, and the door swung open.
“ Voilà ce qui est curieux. It must have stuck,” said Elise.
There was no one in the bedroom.
Tommy fetched his apparatus. Tuppence and Elise worked under his orders. But again and again his glance went back to the communicating door.
“I wonder,” he said between his teeth. “I wonder why that door stuck?”
He examined it minutely, shutting and opening it. It fitted perfectly.
“One picture more,” he said with a sigh. “Will you loop