The National Archives (Author) The National Archives is the official archive and publisher for the UK government and for England and Wales. It is the guardian of a vast array of iconic national documents dating back over 1,000 years.Gareth Moore (Author) Dr Gareth Moore is the best-selling author of The Ordnance Survey Puzzle Book, The Mindfulness Puzzle Book, The Times World Atlas Puzzle Book, The Mammoth Book of New Sudoku, Stay Sharp! and many more puzzle and brain-training books.Find him online at www.DrGarethMoore.comLaura Jayne Ayres (Author) Laura Jayne Ayres is a puzzle writer and researcher. After studying Linguistics at the University of Cambridge, she worked as a playwright before joining Dr. Gareth Moore’s puzzle team. Books that she has worked on include Hacked: The Cyber Crime Puzzle Book, The Great British Puzzle Book, The Perfect Crime Puzzle Book, The Nautical Puzzle Book and The Ordnance Survey Kids’ Adventure Book.

The National Archives (Author) The National Archives is the official archive and publisher for the UK government and for England and Wales. It is the guardian of a vast array of iconic national documents dating back over 1,000 years.Gareth Moore (Author) Dr Gareth Moore is the best-selling author of The Ordnance Survey Puzzle Book, The Mindfulness Puzzle Book, The Times World Atlas Puzzle Book, The Mammoth Book of New Sudoku, Stay Sharp! and many more puzzle and brain-training books.Find him online at www.DrGarethMoore.comLaura Jayne Ayres (Author) Laura Jayne Ayres is a puzzle writer and researcher. After studying Linguistics at the University of Cambridge, she worked as a playwright before joining Dr. Gareth Moore’s puzzle team. Books that she has worked on include Hacked: The Cyber Crime Puzzle Book, The Great British Puzzle Book, The Perfect Crime Puzzle Book, The Nautical Puzzle Book and The Ordnance Survey Kids’ Adventure Book.