I wanted to write a very simple story about a boy, a wolf, a girl, a bear and a forest, so I thought I might set it in the past. I didn't realise that it went back to when I was 10: I used to love the Stone Age when I was a kid and wanted to live in it, and I got rid of my bed and slept on the floor, but I didn't remember it.

The most remote place I've been to was in Greenland. I remember setting out for a solo hike from a small cabin, itself several hours' boat ride from the nearest settlement.

I've wanted to write a ghost story for years, and my main aim was to write the most frightening ghost story that I could think of.

I sometimes wonder why I do so much research - I look at other successful writers, and I think it must just be so relaxing to write about flying horses or something, but I have to make it plausible.

I'm not sure anyone goes through a cancer scare unchanged. I know it changed me in so many ways. But I was fortunate to have had a rare cancer that's slow-growing and one that allowed me to skip the chemical cocktails that would have put me into early menopause.

Nutrition is important, training is important - but so are rest and recovery, massages, acupuncture. Your body is your temple, and you've got to take care of it.

I really discovered I had thyroid disease by accident. My son was having some health concerns, and as I filled out his patient history I noticed I had a lot of similar symptoms. I mentioned it to the doctor, and he ran blood work and finally an ultrasound of my thyroid.

Most people treat the news media like the exercise bike they have in their basement. They're glad it's there but they never use it.