eleven o'clock
At ten minutes of eleven , he took a skycab to the fashionable apartment house where the Honorable Jon Senesin , son of the Prime Portfolio , made his home . The skycab deposited him on the roof at two minutes of eleven . The android doorman opened the entrance for him , and he took the drop chute down to the fifteenth floor . At precisely eleven o'clock , he was facing the announcer plate on Jon Senesin 's door . -LSB- Illustration -RSB- Senesin opened the door . There was a queer look -- half jubilant , half worried -- on his face as he said : `` Come in , my lord , come in . Care for a drink ? ''