After a catastrophic Unknown Event leaves the colony ship Orion stranded deep in space, it's up to thirteen-year-old Beth and her friends to navigate through treacherous and uncharted territory and reach safety.

But a heavily damaged ship, a mysterious alien species, space pirates, and an Artificial Intelligence which Beth suspects may be lying to her mean that getting home has never been so difficult.

Hugely gripping, with incredible twists and a fast-paced, action-packed story, this is an unputdownable science fiction adventure - perfect for fans of Mortal Engines and Star Wars.