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George and the Unbreakable Code
George and the Unbreakable Code.jpg
First edition
Authors Lucy Hawking
Stephen Hawking
Genre Popular science
Publisher Doubleday Childrens
Publication date
2014
Pages 352
ISBN 9780857533258
Preceded by George and the Big Bang 
Followed by George and the Blue Moon 

George and the Unbreakable Code is a 2014 children's book written by Stephen and Lucy Hawking. The book is the fourth book in the George series, following George's Secret Key to the Universe, George's Cosmic Treasure Hunt, and George and the Big Bang, and preceding George and the Blue Moon.

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