In the first story, a group of different vehicles hurry to get the Duke and Duchess of Boxford to Callan Castle on time, and in the second story, the engines Caitlin and Emily wonder which one is really the best.
- ISBN10 1101931973
- ISBN13 9781101931974
- Publish Date 12 January 2016
- Publish Status Out of Stock
- Imprint Random House Books for Young Readers
- Format Paperback (US Trade)
- Pages 24
- Language English