Fast Food and No Play Makes Jack a Fat Boy

Andy Griffiths is one of Australia's biggest-selling authors - of children's books or any other sort, for that matter. His bestsellers include the Just series, The Day My Bum Went Psycho, Zombie Bums from Uranus and The Bad Book.Jim Thomson is a highly experienced Personal Trainer. A former Australian sprint champion, and Australian Athlete of the Year (1987), he has also been a fitness advisor to many athletes and to the Tasmanian Institute of Sport.Sophie Blackmore is a dietician and registered nurse. She has a Bachelor of Science in nutrition and a Graduate diploma in dietetics. She is currently working as a dietician and lives with her three sons and partner in Melbourne.