Mrs. Piggle-Wiggle Mrs. Piggle-Wiggle Series, Book 1.

Mrs. Piggle-Wiggle lives in an upside-down house and smells like cookies. She was even married to a pirate once. Most of all, she knows everything about children. She can cure them of any ailment. Patsy hates baths. Hubert never puts anything away. Allen eats v-e-r-y slowly. Mrs. Piggle-Wiggle has a treatment for all of them.