The Dragonsitter

'Dear Uncle Morton. You'd better get on a plane right now and come back here. Your dragon has eaten Jemima. Emily loved that rabbit.' It had sounded so easy: Edward, Emily and their mum were going to look after Uncle Morton's unusual pet for a week while he went on holiday. But soon their fridge is empty, their curtains are blazing, and the postman is fleeing down the garden path.