Eighth-grader Max, his older brother Kyle, and new friend Petra travel in time to the Cretaceous period to rescue Kyle's twin, Emma, who was kidnapped from their grandfather's Texas ranch.
- ISBN10 0544022777
- ISBN13 9780544022775
- Publish Date 19 November 2013 (first published 1 January 2012)
- Publish Status Out of Stock
- Publish Country US
- Imprint Clarion Books
- Format Paperback (US Trade)
- Pages 192
- Language English