My name is Alex and I have the coolest job in the world (or at least, I think it is). My job is to sit down at a desk and try and think of a story that nobody else has ever thought of before. There are lots of clever people in the world so it’s difficult to think of something that no one else has thought of but it’s very very fun.

The trick is to use your imagination. I can close my eyes and travel anywhere in the world. I love learning the names of new places and imagining who lives there –...