Ellie Linton, a teen from an Australian coastal town, leads her friends on an excursion to a camp deep in the woods, dubbed "Hell." Upon their return, the youths find that their town has been overrun by an enemy army, and their friends and family have been imprisoned. When the hostile invaders become alerted to their presence, Ellie and her friends band together to escape -- and strike back against -- this mysterious enemy.
Tomorrow, When the War Began is the first book in the Tomorrow series by John Marsden. It was published in 1993, and is a young adult invasion novel, detailing a high-intensity invasion and occupation of Australia by a foreign power. The novel is told in first person perspective by the main character, a teenage girl named Ellie Linton, who is part of a small band of teenagers waging a guerrilla war on the enemy garrison in their fictional home town of Wirrawee.
