Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.9
Points
11.0
Fiction/Nonfiction
Fiction
Word Count
64064
Points per Word
0.000172
Page Count
233
Points per Page
0.04721
Description
Ben, Zara, Sam, and Marcia begin their summer vacation by helping Professor Ampersand build the Silver Turtle, a futuristic airplane, but on the day the first test flight is planned, a strange woman steals the airplane with the children inside.