The Planiverse tells the story of a traveller in a 2 dimensional universe, explaining the peculiar physics, biology and society adopted by the population of the planet Arde.

Here is a short set of images in Minecraft that allowed me to, for a very brief moment, inhabit that world and get a sense of how perception might work without the ability to see in stereo.

The book is back in reprint via Amazon. Lend it to a kid who might one day follow the Comp. Science path. That's how I got engaged.