6 books in series

George's Secret Key

George's Secret Key is a 6-book series with 6 primary works first released in 2007 with contributions by Lucy Hawking and Stephen Hawking.

George's Secret Key to the Universe
#1PopularFirst

2007 • 12 Readers • 321 pages • 3.7

George's Cosmic Treasure Hunt
#2

2009 • 2 Readers • 322 pages • 4.5

George and the Big Bang
#3

2012 • 1 Reader • 5

George and the Unbreakable Code
#4

2016 • 3 Readers • 352 pages • 4.5

George and the Blue Moon
#5

2016 • 2 Readers • 336 pages • 5

George and the Ship of Time
#6

2018 • 2 Readers • 416 pages • 3