About Us

Every parent remembers the book that made them forget the world around them. We want to be that book for your kid — just without the glowing screen.
HOW IT STARTED

Books That Kids Ask to Keep Reading

Keenfold makes mystery puzzle books for kids ages 9-14 who’d rather solve a case than scroll a feed. Every book follows the same idea: real clues, real suspects, and space to write down your own theory as the story unfolds. No batteries, no apps — just a pencil and a mystery worth finishing.

Why We Made Keenfold

” I started Keenfold after watching my own nephew scroll through video after video without ever really looking up. It wasn’t that he didn’t want to engage with something — he just didn’t have anything in front of him worth putting the phone down for. So we built one: a mystery he’d have to actually think through, page by page, clue by clue — the kind of story that used to keep kids up past bedtime with a flashlight under the covers. “

Made With One Rule

If it doesn’t make a kid want to turn the page, it doesn’t go in the book. No busywork, no filler — every case has to actually earn its ending.

Why Parents Choose Keenfold

  • Screen-free activity kids ask for, not one you have to enforce
  • No app, no subscription, no login — just a file you own forever
  • Designed by someone who tested every clue on real kids first
  • A gift that isn’t forgotten by January

What Kids Get Out of Solving a Case

  • A story where their thinking actually changes the outcome
  • Practice following clues and building a theory, one page at a time
  • The satisfaction of figuring it out themselves — not being told the answer

Ready to Give Them Something Worth Putting the Phone Down For?

One download, five mysteries, and a kid who finally asks for “just one more chapter” instead of “just five more minutes.”

Get the First Case