'Diary of a Wimpy Kid' author Jeff Kinney shares his parenting advice — and what he'd do differently. Simon Simard for BI

This as-told-to essay is based on a conversation with Jeff Kinney, the 55-year-old author of the "Diary of a Wimpy Kid" series, who lives in Plainville, Massachusetts. It has been edited for length and clarity.

When I wrote " Diary of a Wimpy Kid ," I worked on it for eight or nine years without thinking I was writing a book for kids.

I thought I was writing a book for grown-ups that would feel like "The Wonder Years" or "A Christmas Story" — looking back on childhood through the lens of an adult.

The first thing that surprised me was that my publisher said I'd actually written a children's series; it caused a lot of cognitive dissonance.

But what also surprised me was that kids understood the irony in the books.…