The perfect introduction to Thomas the Tank Engine! This is a story about Diesel the Diesel Engine. But when Thomas gets into trouble, will Diesel come to his rescue? Thomas & Friends is a great way to pass on the tradition of Thomas to early readers. The perfect introduction to Thomas the Tank Engine! This is a story about Diesel the Diesel Engine. He plays tricks on other engines, so no one likes working with him. But when Thomas gets into trouble, will Diesel come to his rescue? Thomas & Friends is a great way to pass on the tradition of Thomas to early readers. Children aged 2 and up will love meeting classic characters such as Percy, James, Gordon, and Toby down on The Fat Controller's railway. Thomas has been teaching children lessons about life and friendship for over 70 years. He ranks alongside other beloved character such as Paddington Bear, Winnie-the-Pooh and Peter Rabbit as an essential part of our literary heritage.