Rolling on the Rails is a board book released on 10 May 2011.


Sir Topham Hatt tells Thomas and Percy that he needs them to be really useful engines. Thomas then promises that he will be useful and fast, and Percy wants to be fast as well. While Percy pulls a mail train, he pops a valve. Harold notifies Thomas about Percy's problem that he must come to the rescue.


I've come to you, my friend, as I need some redesigning; to be a stub page is so confining. Can you give me the words I deserve?

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