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AN exclusive signed copy of a superb new book on one of engineering’s most fascinating topics could be yours… and all you have to do to stand a chance of winning is get in touch!

We’re giving away the first signed copy of The Secret Horsepower Race, signed by author and Formula 1 engine designer Calum E Douglas. This money-can’t-buy wartime engine development book will be the first of 700 signed copies usually worth £35!

About the book:

The piston engines that powered Second World War fighters, the men who designed them, and the secret intelligence work carried out by both Britain and Germany would determine the outcome of the first global air war.  Advanced jet engines may have been in development but every militarily significant air battle was fought by piston-engined fighters.

Whoever designed the most powerful piston engines would win air superiority and with it the ability to dictate the course of the war as a whole. This is the never-before-told story of a high-tech race, hidden behind the closed doors of design offices and intelligence agencies, to create the war’s best fighter engine.

Using the fruits of extensive research in archives around the world together with the previously unpublished memoirs of fighter engine designers, author Calum E Douglas tells the story of a desperate contest between the world’s best engineers – the Secret Horsepower Race.

Our competition closes at 11.30pm on Sunday, November 15, 2020. There are no cash alternatives available. The winner will be the first name drawn at random. Terms and conditions apply. To view the privacy policy of MMG Ltd (publisher of Mortons Books) please visit

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