Julia Donaldson and Axel Scheffler are at their sparkling best in this fabulously original sequel to the bestselling ZOG. Meet the Flying Doctors: Princess Pearl, Sir Gadabout and, of course, their trusty 'air ambulance', Zog the dragon, as they fly around the country, tending to a sunburnt mermaid, a distressed unicorn, and even a sneezy lion. This Early Reader edition contains the complete classic story and pictures, in a pocket-book format, and with an extra-clear font and layout, to support children who are gaining confidence in reading.