George and his best friend, Annie have been selected as junior astronauts - part of a programme that trains up young people for a trip to Mars in the future. This is everything they've ever wanted - they get to be a part of up-to-the minute space discoveries and meet a bunch of new friends who are as fascinated by the universe as they are.

But when they arrive at space camp, George and Annie quickly learn that strange things are happening - on Earth as well as up in our skies. Mysterious space missions are happening in secret, and the astronaut training they're undertaking gets scarier and scarier . . .

The fifth adventure in this series by Lucy and Stephen Hawking - also containing up-to-the-minute scientific facts and information by the world's leading scientists.

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.