Seventeen year old Sadie Linthorpe is the talk of Rhyope when she first arrives there alone.
But Sadie is keeping
Published in association with the Turing Trust, this challenging collection of code puzzles will stretch, puzzle & entertain
...Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable logic to decipher the military codes
...As the year 1349Â approaches, the Black Death continues its devastating course across Engl&. In Dorseteshire, the quarantined
...Published in association with the Turing Trust, this challenging collection of more than 120 puzzles will put your number and logic skills to the test.
Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable
Published in association with the Turing Trust, this challenging collection of more than 120 puzzles will put your number & logic skills to the test.
Follow in the footsteps of famous World War II codebreaker Alan Turing who used impeccable logic to decipher the military codes used by Germany & its allies. These expert puzzles offer a tough but enjoyable challenge, with many variations of the popular number-placing puzzle sudoku.
This book
Includes:: a foreword written by Sir Dermot Turing, nephew of Alan Turing & trustee of the former British codebreaking HQ, Bletchley Park. Sales of these books support the work of The Turing Trust, a charity set up by Alan Turing's family which provides much needed computers to schools in Africa.
Product Information:
• ISBN: 9781398808294
• Author: Eric Saunders, Sir John Dermot Turing
 • Publisher: Arcturus
• Format: Paperback
• Pages: 160
• Dimensions: 23.3 x 15.3 x 1.6 cm
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