six o'clock before
`` Sorry , but I 've got a job in quarter of an hour . '' `` We 'll pay you double fare , '' put in Sam . `` Get somebody else to take that other job . '' To this the coach driver readily agreed , but to make the arrangement took time , and it was six o'clock before they were on the way to Dr. Karley 's place . When they reached the sanitarium they found the building dark , with the shutters on the ground floor tightly closed . Dr. Karley answered Tom 's summons in person . `` Yes , the parties were here , '' he said smoothly .