What's the title of the book about a woman who lives in an upside-down house and gives parenting advice?

I remember that each chapter had a story of a different parent looking for advice from this woman. One story I recall is one where a woman's son was refusing to eat, and the woman in the upside-down house had the mother reduce his portion sizes down to ridiculous proportions and then gradually bring them back to normal sizes.What's the title of the book about a woman who lives in an upside-down house and gives parenting advice?
The Mrs Piggle-Wiggle series by Betty MacDonald. Mrs Piggle-Wiggle gives advice and her house is upside down.