To help a busy mother get away for a two-week vacation, my sister agreed to stay with the woman's three children. On the first evening, she cooked one of their favorite meals. To the youngsters' delight, dinner after dinner, she 'guessed' what they liked. When my sister returned home, we asked her what the secret of her success was. 'Each afternoon I would flip through the cookbook until I found a page that was ripped, smudged and food-splattered,' she explained. 'Then I would make that recipe. It worked every time!'