With the adult ones, I feel I need to get as deep inside the psychology of a character as I can, and that needs to be first-person. In the children's books, I feel I need some distance. I don't want to be the nine-year-old at the center of the story. I need to have some type of narrative voice.

I don't buy into the idea that an Irish writer should write about Ireland, or a gay writer should write about being gay. But when I found the right story, I saw it as an opportunity to write about being a teenager and being gay. Most people, whether you're gay or straight or whatever, have experienced that relationship where one person is much more interested than the other.

Bruno: "Why do you wear pajamas all day?" Shmuel: "The soldiers. They took all our clothes away." Bruno: "My dad's a soldier, but not the sort that takes people's clothes away."

In his heart, he knew that there was no reason to be impolite to someone, even if they did work for you. There was such a thing as manners after all.

I am frustrated by celebrities who decide to write children's books because they think it's easy. That drives me crazy. It's frustrating because it's unfair to children. Because they'll get a lot of attention, they'll get a lot of marketing budget and so on just because they're a celebrity - the Madonnas, the Ricky Gervaises, the Russell Brands.

We all are [normal]. Their idea of normal just happens to be different to some other people's idea of normal. But this is the world we live in. Some people simply cannot accept something that is outside of their experience.

Very slowly he turned his head back to look at Shmuel, who wasn't crying anymore, merely staring at the floor and looking as if he was trying to convince his soul not to live inside his tiny body anymore, but to slip away and sail to the door and rise up into the sky, gliding through the clouds until it was very far away.'' -The Boy in the Striped Pajamas