In the movies spies are always talking over cell phones with built in scramblers.
When I saw the coffin I knew that I was respited, for, as I judged, there was space between it and the wall behind enough to contain my little carcass; and in a second I had put out the candle, scrambled up the shelves, half-stunned my senses with dashing my head against the roof, and squeezed my body betwixt wall and coffin.