Sinclair McKay is a bestelling author and social historian. He is the author of the Sunday Times bestseller Bletchley Park Brainteasers as well as the bestselling Secret Life of Bletchley Park, which together have sold over 400,000 copies. He has authored many other books including The Scotland Yard Puzzle Book, The Tower of London Puzzle Book and Secret Britain. He writes for the Spectator and the Telegraph and spends much of his life eyebrow-deep in dusty archives! He lives in east London.
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