My head has been spinning after getting a spreadsheet roughly a week ago.

Before we dive into my dirty laundry, let’s state the obvious: millions of people have a vague sense that AI is changing things. And LLMs sure are convenient for getting answers quickly. My team and I use Claude and other tools daily.

But far fewer people have first-hand experience with the speed and intensity of disruption that’s happening. Not in a year, not in six months, but right now.

So let me show you, using my own books as the cadaver on the table, what a fatality looks like.

First, some broader stats

For the first three months of 2026, Publishers Weekly reported that “adult nonfiction” was down 9% from Q1 2025. Who knows… maybe in line with historical fluctuations?

But looking more closely, Self-help had the steepest subcategory decline, with units down 26.3% year-over-year. Only two of 16 subcategories—crafts/hobbies/antiques/games and religion—grew at all (9.6% and 1.6%, respectively).…