three o'clock
`` I will , '' replied Jefferson grimly , He was turning to go in the direction of the library when Bagley stopped him . `` You can not possibly see him now , '' he said . `` Sergeant Ellison of the Secret Service is in there with him , and your father told me not to disturb him on any account . He has another appointment at three o'clock with some woman who writes books . '' Seeing that the fellow was in earnest , Jefferson did not insist . He could see his father a little later or send him a message through his mother . Proceeding upstairs he found Mrs. Ryder in her room and in a few energetic words he explained the situation to his mother .