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      George and the Unbreakable Code

      by Stephen Hawking; Lucy Hawking
      Published
      Sep 2016
      Main Genre
      Action Adventure Action & Adventure
      Rating
      Pages
      368
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      Series
      George's Secret Key Book 4

      About This Book

      George and Annie are off on another cosmic adventure to figure out why strange things are happening on Earth in the fourth book of the George's Secret Key series from Stephen and Lucy Hawking.

      George and his best friend Annie haven't had any space adventures for a while and they're missing the excitement. But not for long, because seriously strange things have started happening.

      Banks are handing out free money, supermarkets aren't able to charge for their produce so people are getting free food, and aircrafts are refusing to fly. It looks like the world's biggest and best computers have all been hacked. And no one knows why…

      It's up to George and Annie to travel further into space than ever before in order to find out what—or who—is behind it.

      Series Placement

      Book 4
      View full series order

      Genres & Themes

      Genres

      Suspense

      Subgenres

      Action Adventure

      Age Level

      Kids (12 & Under) Kids: Middle Grade

      Formats & Editions

      Browse the different covers, formats, and publication history for this title.

      Paperback

      Paperback edition cover
      Trade Paperback
      Nov 2017 Simon & Schuster ISBN13 9781481466288 ISBN10 1481466283
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      Paperback edition cover
      Paperback
      Jun 2015 Random House Children's Publishers UK ISBN13 9780552570053 ISBN10 0552570052
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      Hardcover

      Hardcover edition cover
      Hardcover
      First Edition Sep 2016 Simon & Schuster ISBN13 9781481466271 ISBN10 1481466275
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      eBook

      eBook edition cover
      eBook
      Sep 2016 Random House ISBN13 9781448174690 ISBN10 1448174694
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      eBook edition cover
      eBook
      Sep 2016 Simon & Schuster ISBN13 9781481466295 ISBN10 1481466291
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      eBook edition cover
      eBook
      Sep 2016 Simon & Schuster Books for Young Readers ISBN10 B01BKR44VW
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      Audio

      Audio edition cover
      Audible
      Jul 2016 Random House AudioBooks ISBN10 B01IPIKE6S
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