"The Ellie Chronicles" is a series of novels written by Australian author John Marsden. It follows the story of Ellie Linton, a young girl who survives a devastating invasion of her country. The series explores her experiences and challenges as she navigates life in a post-apocalyptic world, focusing on themes of survival, friendship, and resilience. The series is a continuation of the popular Tomorrow, When the War Began series, which introduces Ellie and her friends. In "The Ellie Chronicles," readers witness Ellie's growth and the impact of war on her life and relationships, providing a deeper understanding of her character and the world around her.