He pushed it up and vaulted lightly into the room.

Then he saw that a table was overturned and a key was lying on the floor.

He picked it up and fitted it into the door.

Fenella was waiting outside.
"I can see nothing here," he announced, "but a table has been upset." She pointed to the sofa and gripped his arm.
"Look!" she cried.

"What is that ?" Arnold felt a thrill of horror, and for a moment the room swam before his eyes.