The magical adventurous picture book from the number one bestselling author and illustrator of The Gruffalo, Zog and Stick Man. 'Meet the Flying Doctors - a dragon, knight and girl. Their names are Gadabout the Great, and Zog, and Princess Pearl.' Princess Pearl, Sir Gadabout and their trusty 'air ambulance', Zog the dragon fly around tending a sunburnt mermaid, a distressed unicorn and a sneezy lion.