Lucky Girl : juvenile classic

"There's no doubt about it, we really must economize somehow!" sighed Mrs. Woodward helplessly, with her housekeeping book in one hand, and her bank pass-book in the other, and an array of bills spread out on the table in front of her. "Children, do you hear what I say? The war will make a great difference to our income, and we can't—simply can't—go on living in exactly the old way. The sooner we all realize it the better. I wish I knew where to begin."