ten o'clock
But Patty had pretty strong will-power , and she forced herself to go at her work in earnest . Grandma Elliott watched her , as she pored over one book after another , or hastily scribbled her themes . A little pucker formed itself between her brows , and a crimson flush appeared on her cheeks . At ten o'clock Mrs. Elliott asserted her authority . `` Patty , '' she said , `` you must go to bed . You 'll make yourself ill if you work so hard . '' Patty pushed back her books .