2016 children's book by Lucy and Stephen Hawking
George and the Blue Moon is a 2016 children's book written by Lucy and Stephen Hawking with Christophe Galfard. The book was preceded by "George's Secret Key to the Universe" in 2007, "George's Cosmic Treasure Hunt" in 2009, "George and the Big Bang" in 2011 and "George and the Unbreakable Code" in 2014.
The book was aimed at readers aged 8+years. 
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