Aboard "The Boundless," the greatest train ever built, on its maiden voyage across Canada, teenaged Will enlists the aid of a traveling circus to save the train from villains.
- ISBN10 1442472898
- ISBN13 9781442472891
- Publish Date 5 May 2015 (first published 22 April 2014)
- Publish Status Active
- Publisher Simon & Schuster
- Imprint Simon & Schuster Books for Young Readers
- Edition Reprint ed.
- Format Paperback (US Trade)
- Pages 352
- Language English