three o'clock
She soon discovered how woefully ignorant Patsy was , and arranged a course of instruction that would be of most benefit to her . `` I have been asked to prepare you to enter a girls ' college , '' she said , `` and if you are attentive and studious I shall easily accomplish the task . '' Patsy invited her to stay to luncheon , which Mary served in the cosy dining-room , and then Mrs. Wilson departed and left her alone to think over this new example of her unknown friend 's thoughtful care . At three o'clock the door-bell rang and Mary ushered in another strange person -- a pretty , fair-haired young lady , this time , who said she was to give Miss Doyle lessons on the piano . Patsy was delighted . It was the one accomplishment she most longed to acquire , and she entered into the first lesson with an eagerness that made her teacher smile approvingly . Meantime the Major was having his own surprises .