Chris Hadfield, the ISS astronaut that became the world's favourite after he started tweeting and showing off on YouTube from space, is now firmly back on planet Earth and has written a book called An Astronaut's Guide to Life on Earth. And in an effort to launch it without making a typical boring, pushy ad, Hadfield challenged his son to create something a bit more interesting.
Here's what he came up with. Spoiler: It's brilliant.
