Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
11.0
Fiction/Nonfiction
Fiction
Word Count
65541
Points per Word
0.000168
Page Count
313
Points per Page
0.035144
Series
George's Secret Key
Description
George and Annie travel further into space than ever before in order to find out what or who is behind the world's biggest and best computer hack. The coauthor is Stephen Hawking. Book #4