Oh, I wish I lived in a caravan!’ said Jimmy longingly. ‘How lovely it must be to live in a house that has wheels and can go away down the lanes and through the towns, and stand still in fields at night!

Soon they were all sitting on the rocky ledge, which was still warm, watching the sun go down into the lake. It was the most beautiful evening, with the lake as blue as a cornflower and the sky flecked with rosy clouds. They held their hard-boiled eggs in one hand and a piece of bread and butter in the other, munching happily. There was a dish of salt for everyone to dip their eggs into. ‘I don’t know why, but the meals we have on picnics always taste so much nicer than the ones we have indoors,’ said George.

I wonder where you got that idea from? I mean, the idea that it's feeble to change your mind once it's made up. That's a wrong idea, you know. Make up your mind about things, by all means - but if something happens to show that you are wrong, then it is feeble not to change your mind, Elizabeth. Only the strongest people have the pluck to change their minds, and say so, if they see they have been wrong in their ideas.

Oh, I wish I lived in a caravan!’ said Jimmy longingly. ‘How lovely it must be to live in a house that has wheels and can go away down the lanes and through the towns, and stand still in fields at night!

Hatred is so much easier to win than love - and so much harder to get rid of.

My work in books, films and talks lies almost wholly with children, and I have very little time to give to grown-ups.

I'm good at exploring roofs. You never know when that kind of thing comes in useful.