The Dragonsitter by Josh Lacey
'Dear Uncle Morton. You'd better get on a plane right now and come back here. Your dragon has eaten Jemima.' It had sounded so easy: Edward was going to look after Uncle Morton's unusual pet for a week while he went on holiday. But soon the fridge is empty, the curtains are blazing, and the postman is fleeing down the garden path. 'Short, sharp and funny' - Telegraph