Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
5.6
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4928
Points per Word
0.000203
Page Count
64
Points per Page
0.015625
Series
Astonishing Headlines
Description
What happens when a real treasure goes missing, or a space ship, or a person? Some of these disappearances have puzzled experts for years. Some of them are solved through detective work and luck, while others remain mysteries, never to be solved.