AR Book Level
6.2
AR Points
1
Word Count
3,195
Interest Level
Middle Grades (MG 4-8)
Genre
Fiction
AR Quiz #
75725 EN
About this book
In this book, scientist John Todd works to clean the toxic waters of Chattanooga Creek, which has been polluted by industrial sludge. Using a biological system called a Living Machine, he attempts to remove the harmful contaminants from the water. The story takes place in Chattanooga, Tennessee, and focuses on environmental cleanup efforts.