Rev. W. Awdry 
Thomas & Friends: Calling All Engines (Thomas & Friends) 

Thomas and the Really Useful Engines are working hard getting the new airport ready for the grand opening. Then a terrible storm slows them down, and soon it is clear that all the engines are going to have to work together. The steamies and the diesels have never gotten along very well, but Lady appears in Thomas dream and tells him it will be all right. But can they count on help from the biggest diesel of them all Diesel 10?From the Trade Paperback edition.