'We are going,' said Annie, 'on a great cosmic journey. So listen up, Savers of Planet Earth, and prepare to meet the Universe.' George's best friend Annie needs help. Her scientist father, Eric, is working on a space project - and it's all going wrong. A robot has landed on Mars, but is behaving very oddly. And now Annie has discovered something wierd on her dad's super-computer.

Is it a message from an alien? Could there be life out there? How do you find a planet in outer space? And if you could talk to aliens, what would you say?

Stephen Hawking (Author) STEPHEN HAWKING was a brilliant theoretical physicist and is generally considered to have been one of the world's greatest thinkers. He held the position of Lucasian Professor of Mathematics at the University of Cambridge for thirty years and is the author ofA Brief History of Timewhich was an international bestseller. His other books for the general reader includeA Briefer History of Time,the essay collectionBlack Holes and Baby Universe,The Universe in a Nutshell, The Grand Design, andBlack Holes: The BBC Reith Lectures. He died on 14 March, 2018. Lucy Hawking (Author) LUCY HAWKING is the original creator of theGeorgeseries. She works with world leading scientists, including her co-author and father, Stephen Hawking, to explain complex concepts of science through story telling to young readers. A former journalist, she has written widely for British newspapers. Lucy now gives regular talks about the science and stories of theGeorgeseries to audiences all over the world.