Assay: I’m a huge fan of the Mrs. Piggle-Wiggle books. If you read these brilliant stories as a child, you should re-read them now; so much of the humor is pitched at grown-ups –marriage, friendship, theories of child-rearing. After I’d re-read Mrs. Piggle-Wiggle for the fiftieth time, I decided to try Betty MacDonald’s adult work. In her memoir, Onions in …

