If you get the characters right you've done sometimes nearly half the work. I sometimes find I get the characters right then the characters will often help me write the book - not what they look like that's not very important - what people look like is not about their character. You have to describe the shape they leave in the world, how they react to things, what effect they have on people and you do that by telling their story.
Terry PratchettDestiny is important, see, but people go wrong when they think it controls them. It's the other way around.
Terry PratchettWhatโs this here,โ he said suspiciously, โabout us got to give you faggots?โ Oh, we have to have them,โ said Newt, โWe burn them.โ Say what?โ We burn them.โ The guardโs face broadened into a grin. And theyโd told him England was soft. โRight on!โ he said
Terry PratchettThere's some things that you wouldn't tackle in a children's book because it would be beyond, not the mental capabilities, but the experience of someone under the age of say ten or eleven to encompass. But that field is smaller than you might think. They can easily cope with death and things like that; they know about it and it's a subject that often preoccupies them.
Terry Pratchett