I wanted to write about racism and xenophobia in 21st Century England and Ireland, but I wanted to do it in an exciting way so that I could reach more readers. Zombies seemed like a good way to do that.
Anyone who has an imagination can write a book - it's cheap to do - but movies are big money.
The only way to learn and hone your craft is by working hard and writing regularly.
Every generation likes to think that children don't read as much as they used to when they were young! You listen to some adults saying they were going around reading 'Ulysses' when they were seven or eight! I think children are voracious readers if you give them the right books and if you make those books accessible to them.
I'll never forget a meeting with one publisher where they said, 'We don't publish books for teenage boys; teenage boys don't read.'
I grew up on all sorts of horror - Hammer Horror and Vincent Price's 'Theatre Of Blood.' I loved the hidden, scary layers, but there wasn't that much around for youngsters in terms of horror books. I can remember reading Stephen King's 'Salem's Lot' and 'Cujo,' but I thought there should be more for teenaged horror fans.