The Nocturnal brigade, Dawn the fox, Tobin the pangolin, and Bismark the sugar glider investigate the source of a violent jolt that fractures the earth and meet a tuatara named Polyphema who has information on the event.
- ISBN10 0606407995
- ISBN13 9780606407991
- Publish Date 11 July 2017 (first published 29 August 2016)
- Publish Status Out of Print
- Out of Print 20 July 2022
- Imprint Turtleback Books
- Edition Bound for Schools & Libraries ed.
- Format Hardcover (Library Binding)
- Pages 208
- Language English