A triumphantly original and entertaining sequel to the bestselling }Zog{, from the unstoppable Julia Donaldson and Axel Scheffler. Meet the Flying Doctors: Princess Pearl, Sir Gadabout and, of course, their trusty 'air ambulance', Zog the dragon. There's much to do as they fly around tending a sunburnt mermaid, a distressed unicorn and a sneezy lion.