Chapter 28

"To-night," he continued, sipping his glass, "I was completing the final sorting out of my papers with my secretary, when the electric warning disc on my desk glowed red. Now the office was empty, and the red light meant that someone had opened the door outside. I heard nothing, which only made it all the more suspicious. So between us we gathered up every important paper, switched off all lights, and went out through the secret door. Then we waited." He turned to the clergyman, still motionless save for a ceas…