Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.6
Points
5.0
Fiction/Nonfiction
Fiction
Word Count
29795
Points per Word
0.000168
Page Count
102
Points per Page
0.04902
Series
Norby
Description
Fifteen-year-old Jeff and his mixed-up robot, Norby, travel backwards and forwards in time and find themselves prisoners on an alien planet in another universe. The coauthor is Isaac Asimov.