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Thomas and the Evil Diesel

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Thomas and the Evil Diesel/
Thomas and the Naughty Diesel/
Thomas and Diesel

Christopher Awdry

Illustrated by

Clive Spong (UK)
Josie Yee (US)
Richard Courtney
(US; 2013;
front cover only


October 5th,


Edmund Ward
Egmont Publishing
Random House

Thomas and the Evil Diesel, retitled Thomas and the Naughty Diesel in American releases, is a book written by Christopher Awdry. It was later retitled Thomas and Diesel and included My First Thomas-style illustrations.


When Percy has to go to the Works for repairs, Diesel returns to Sodor and, as expected, causes trouble for the engines by destroying the oldest truck in Ffarquhar Yards. But two days later, Thomas has an accident when Daisy drips her oil on the track and Clarabel's back wheels come off the rails at the special points at Dryaw, so Diesel comes to the rescue. It seems that even Diesel has some good in him somewhere.



  • The Random House release has less realistic illustrations and toned down dialogue.
  • This marks Diesel's second appearance on Sodor.
  • This book was written by request of the TV series producers, though never was adapted into an episode. However, Diesel being the only spare engine available, was a device that Britt Allcroft would use in the TV series.
  • The Random House release, narrated by Robin Smith, was used as a bonus feature on the DVDs, Thomas Comes to Breakfast and Other Thomas Adventures and The Early Years (Disc 3).


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