George and the Blue Moon

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.