Test your wits with true-crime inspired puzzles & games

The Scotland Yard Puzzle Book

Enjoy Solving Some of the World's Most Difficult 'Cases'

Download a puzzle now

A Non-Boring Guide to How Our Democracy is Supposed to Work

OMG WTF Does the Constitution Actually Say?

"Finally someone has created an easy way to teach something that's so crucial to us as citizens and as a country."—Derek Waters, creator of Drunk History

Are you a 'Thing Whisperer' too?

From Theodore Gray, bestselling author of The Elements HOW THINGS WORK

The Inner Life of Everyday Machines with photographs by Nick Mann

It All Adds Up.

Change Is the Only Constant

Ben Orlin: good at math. bad at drawings. A+ at making concepts accessible and fun!