" The noiselessness of the descending feet was safe enough, but not so safe was the chuckling of Peters for, though he fought against the threatening explosion, it rumbled like the roll of approaching thunder.

His primary task was to give warning if anybody should come out of the door; a secondary one was to give the alarm in case of interruption by passers-by on the roadan unlikely peril this latter, in view of the hour, the darkness of the night, and the practiced noiselessness with which Mike might be relied upon to do his work.

In a few minutes the door opened noiselesslythere was a too obtrusive noiselessness within these wallsand a nun came in.