he was fifteen minutes later than planned getting into the office because hed dozed off again for a while after his alarm sounded ; hed slept fitfully after being awoken in the middle of the night by the slamming doors and voices from next door , which , in turn , meant that he didnt have time to get penny vance to type up langfrancs dictation notes on libreville hed simply grabbed a hand-held cassette before rushing out again , and planned to listen to it on the journey .