Max and Lia travel to the Sumaran settlement of Astar, which is under attack from a movingcity of inhabitants from the Primeval Sea. Then the city deploys a terrifying,disguised Robobeast, Repta the Spiked Brute.
- ISBN10 1408340720
- ISBN13 9781408340721
- Publish Date 2 June 2016
- Publish Status Unknown
- Out of Print 22 November 2022
- Publish Country GB
- Publisher Hachette Children's Group
- Imprint Orchard Books
- Format Paperback (B-Format (198x129 mm))
- Pages 192
- Language English