George and the Unbreakable Code

by Stephen Hawking and Lucy Hawking

Book Overview

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... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1481466283
• ISBN13: 9781481466288
• Release Date: November 2017
• Publisher: Simon & Schuster Books for Young Readers
• Length: 368 Pages
• Weight: 0.95 lbs.
• Dimensions: 1.2" x 5.4" x 8.0"
• Age Range: 9 to 11 years
• Grade Range: Grades 4 to 6