Writers always get asked the same questions: where do you get your ideas from? How do you find inspiration? LOOK JUST HOW THE HELL DO YOU WRITE A BOOK ALREADY?!
But for a lot of themm the struggle begins long before they start putting their ideas on paper.
Whether it's a case of OCD, an irrational superstition or a need for military-like self-control, some of the world's most successful writers were (and are) held hostage to some weird rituals and routines before they can get down to business.
Here we've round up 12 of our favourite examples. Did we miss any good ones you've heard about?