“We are dealing with what normally are incredibilities,” said the Professor, with a smile. “We agreed to assume an objective reality to our supposition--and, assuming it, the spy would read that schedule at the same moment as Forsdyke, and possibly communicate it instantaneously. As Forsdyke is going to do something with that schedule to-morrow morning, well,” he shrugged his shoulders, “my money would be on the ghost!” “My God!” said Forsdyke, thoroughly alarmed, “if it’s true--it’s maddening! One can do nothing!” “Nothing,” agreed the Professor. “There would be no time.” The men stared at each other, exasperated at the hopelessness of the problem. If--they scarcely dared admit it to their sanity--it really were the case? Hetty startled them by a sudden cry. “Didn’t you hear? Didn’t you hear?” she exclaimed. “Someone laughing at us--close behind!--Oh, look! Look!” She pointed to empty space. “There he is again! Don’t you see?” She fainted in Jimmy’s ready arms. * * * * * The next morning Hetty found her father already at breakfast. “Well,” he asked, his dry smile mildly sarcastic, “any more dreams?” “Horrid!” she replied with a little shudder as she poured herself out some coffee. “But I don’t remember them.” “You will see the doctor to-day, young woman,” observed her father in a tone which indicated his verdict on the happenings of the previous night. Hetty was docility itself, a phenomenon not altogether lost on her experienced parent. “Very well, Poppa,” she agreed, demurely. “What are you going to do this morning?” “I am going to the office to get some papers----” “_The_ papers----?” She checked herself with a little frightened glance round the room. Her father laughed--a good, healthy, commonsense laugh. “_The_ papers!” he said. “No more nonsense about ghosts, Hetty. I’m going to get _the_ papers from my office and take them round to the Conference. So now you know. And there’s a Colt automatic in the pocket of the automobile if any one tries tricks on the way.” Hetty nodded her head sagely. “Guess you’ve a place for me in that automobile, Poppa,” she said. “I’ll come with you to the office, wait while you get the papers, and go on with you to the Conference building--and while you’re there I’ll go on to see that doctor. I shall be back in time to pick you up before you are finished with your old Conference.” Her father saw no objection to this, was in fact secretly glad to have her under his eye as long as possible. “Mind, no tricks about the doctor!” he said, with an assumption of severity. “Sure, Poppa!” was her equable reply.