Chapter 18 - THE VOICE IN THE TELEPHONE

Edestone waited. He thought he heard, or rather he felt, a vibration as if someone were moving in the next booth. He tried the door again, but found that it held fast.

He was about to signal the switchboard operator and tell him to come and open up the booth, when an, "Are you there, Mr. Edestone?" came to him from across the wire, and caused hi