"I didn't feel like a criminal, but I didn't feel like a hero either." Chapter 16 in Tomorrow, When the War Began.
Ellie, the protagonist, and her friends went camping in the bush for a few days. When they come back everything has changed.... A war has started and they are one of the only people in their city that aren't captured. Now they are struggling to stay alive without being captured but not everything turns out how they want it to...