George is heartbroken when his neighbor Annie and her space-scientist father move to Florida, but when Annie sends him a secret message telling him she has been contacted by aliens with a terrible warning, he joins her in a galaxy-wide search for answers. Includes scientific essays on space travel.
- ISBN10 1416986715
- ISBN13 9781416986713
- Publish Date 19 May 2009 (first published 2 April 2009)
- Publish Status Active
- Publish Country US
- Imprint Simon & Schuster
- Format Hardcover
- Pages 320
- Language English