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Sky HISTORY is giving away 10 copies of John Nichol's new book 'Lancaster', a passionate and profoundly moving tribute to the plane that Sir Arthur Harris, chief of Royal Air Force Bomber Command, declared was 'the greatest single factor in winning the war’. To take part in the competition, answer a question and enter your details below.
Lancaster: The Forging of a Very British Legend
From John Nichol, the Sunday Times bestselling author of Spitfire, comes a passionate and profoundly moving tribute to the Lancaster bomber, its heroic crews and the men and women who kept her airborne during the country's greatest hour of need.