‘Dad, Dad?’ ‘Yes?’ ‘Why is the sky blue?’ ‘Well … it’s because of the atmosphere.’ ‘What’s a atmosphere?’ ‘It’s the bit of air and gas that sort of stops us getting burned by the sun.’ ‘So what’s the sun made of?’ ‘I … Um … why don’t we find you your bear, Charlie? Where’s Billy the Bear gone, eh?’ I hope Billy the Bear is a nickname for a strong sedative, Andrew thought.
