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This article is about the Story Library book. You may be looking for the fifth season song, the annual story, the Engine Adventures book, the helicopter or the ancient Sudrian king.

Harold, re-titled Harold the Helicopter in 2011 and Percy and Harold's Big Race in 2015, is the twenty-third book in the My Thomas Story Library series.


Harold boasts that he can go faster than steam engines, but Percy soon proves him wrong with a race to the harbour.



In Other Languages

Language Title
Japanese ハロルド