Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
8.0
Fiction/Nonfiction
Fiction
Word Count
50060
Points per Word
0.00016
Page Count
359
Points per Page
0.022284
Series
George's Secret Key
Description
With the help of his new friends, Annie and Eric, George discovers a key that opens the universe to him and must eventually use his knowledge to help save Eric from within a black hole. The co-authors are Stephen Hawking and Christophe Galfard.