336 pages
English language
Published Jan. 1, 2009 by Simon & Schuster.
George's Secret Key to the Universe
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(1 review)
George's Secret Key to the Universe is a 2007 children's book written by Lucy and Stephen Hawking with Christophe Galfard. The book was followed by five sequels, George's Cosmic Treasure Hunt in 2009, George and the Big Bang in 2011, George and the Unbreakable Code in 2014 and George and the Blue Moon in 2016 and George and the Ship of Time in 2018. It is intended for readers aged 10 and up.
