"Some people call it the death trial" Margaret Leaven is 16 years old she is living the regular normal teenage life until it happens.... A plague known as 'Delirious' spreads rapidly around the world there are people immune but if you get infected then you go insane and can't control yourself. There is a way immune people could get infected.. Will Margaret have to learn the hard way? Will she be able to survive this battle? You'll have to find out and read CHANGING WORLD