Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.9
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
9392
Points per Word
0.000213
Series
Orca Footprints
Description
Full of examples of unusual, and often peculiar, power sources, this book encourages kids to look around for new and sustainable ways to light up the world.