It’s the first thing you think about when you wake in the morning. It’s the last thing you think about when you’re falling asleep at night.

You find yourself (lose yourself?) thinking about it in the lift between work meetings. Even in those most intimate moments, the ones in the bedroom with your partner, there it is, the idea, it just won’t leave you alone. Worse, it’s not an idea for a holiday or some home renovations. It’s an idea for a nonfiction book. And it’s an excellent idea, you know that, because it makes your gut ache as though you’re in love – there are times when you feel drunk because of it.

So you put a plan into action. You start writing notes. You visit the library. You even make phone calls and arrange to meet people.

Now this whole book thing is becoming more exciting than…