What would it have been like to walk the lava-filled earth four and a half billion years ago when it first existed? 

How would it feel to stand beside an erupting volcano? Or take your first step on the surface of the moon?And what would you do if robots took over the world?

Prepare to unlock the secrets of the universe in this incredible collection of writing by scientists from all over the globe, including Professor Stephen Hawking himself. In their series of novels, George's Secret Key to the Universe, Lucy and Stephen Hawking imagined what great adventures one boy might have if he travelled through space. But the books were based on real-life facts - and together Lucy and Stephen collected an incredible wealth of information about everything from life on Mars to the secrets of black holes. For the first time this non-fiction content has been collected into one astonishing volume, with brand new content for 2020, including facts about genetics, conspiracy theories and climate change.

Beautifully illustrated and absolutely bursting with incredible facts and figures, this is the perfect guide to everything you've ever wanted to know about our world and beyond.

Where will you begin?

Stephen Hawking (Author) STEPHEN HAWKING was a brilliant theoretical physicist, generally considered to have been one of the world's greatest thinkers. He was Lucasian Professor of Mathematics at the University of Cambridge and is the author of A Brief History of Time which was an international bestseller. His other books for the general reader include A Briefer History of Time, the essay collection Black Holes and Baby Universe, The Universe in a Nutshell, and Brief Answers to the Big Questions.He died on 14 March, 2018.Lucy Hawking (Author) LUCY HAWKING is a former journalist, having written widely for British newspapers, and the co-creator of the George series with her father, Stephen Hawking. Lucy now gives regular talks about science and stories to audiences all over the world.