George's Secret Key to the Universe, written by Lucy Hawking and Stephen Hawking, is an educational space novel for kids. The book follows George, a young boy who discovers a secret portal that leads him on an incredible journey through the universe. With the help of his friend Annie and her scientist father, George learns about the wonders of space, black holes, and the mysteries of the cosmos. This captivating novel combines science facts with an engaging story, making it a perfect choice for young space enthusiasts.