Thomas' Trusty Wheels is an upcoming book in the Engine Adventures series.
Spencer has to take the Duke and Duchess to Lord Callan’s birthday ball, but Thomas and his friends think there are quicker ways to travel! How many wheels will deliver the Duke and Duchess to Callan Castle?
- Annie and Clarabel
- Sir Topham Hatt
- The Duke and Duchess of Boxford
- Lord Callan