Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5472
Points per Word
0.000183
Page Count
48
Points per Page
0.020833
Description
This book explains engineer Willian "Red" Whittaker's plan to develop robots designed to explore the unknown caves on the Moon and on Mars.