George and the Unbreakable Code
| Author | Lucy Hawking, Stephen Hawking |
|---|---|
| Genre | Popular science |
| Publisher | Doubleday Childrens |
Publication date | 2014 |
| Pages | 352 |
| ISBN | 9780857533258 |
| Preceded by | George and the Big Bang |
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.[1]
References
- ↑ "George and the Unbreakable Code". www.randomhouse.co.uk. Retrieved 2015-11-22.
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