>>213692959 (OP)
“My hands still shaking, though it’s been two hours since we had the scare… The office staff stupidly forgot to warn us that the carpenter, or whatever he’s called, was coming to fill the extinguishers… After working for about fifteen minutes, he laid his hammer and some other tools on our bookcase (or so we thought!) and banged on our door. We turned white with fear. Had he heard something after all and did he now want to check out this mysterious looking bookcase? It seemed so, since he kept knocking, pulling, pushing and jerking on it. I was so scared I nearly fainted at the thought of this total stranger managing to discover our wonderful hiding place…”