Next Level Middle Grade Fandom, or, What Erin Hunter’s Warriors Series Hath Wrought

I’m riding in the elevator with my boss the other day when he asks what kinds of things my kids are into these days. “Does your daughter like K-Pop or any of that?” he asked innocently. He had no idea.

What followed was a lengthy explanation on my part, practically involving charts and graphs, of my 10-year-old daughter’s current obsession. Not simply her obsession, mind you, but the obsession that has swept up her friends as well. A fascination that strikes me as so interesting that I broug...