Contrary to popular (parental) opinion, teenagers are not the lazy, unpleasant - frankly, spotty - louts they occasionally appear to be. During the teenage years the brain is undergoing its most radical and fundamental change since the age of two. Nicola Morgan's carefully researched, accessible and humorous examination of the ups and downs of the teenage brain has chapters dealing with powerful emotions, the need for more sleep, the urge to take risks, the difference between genders, the reasons behind addiction or depression, and what lies ahead.