Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
3.3
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2333
Points per Word
0.000214
Description
Have you ever seen something in the sky that you could not explain? UFOs have been sighted by many people. No one has yet explained what they are or where they come from. Are we really alone in the Universe? This book helps you make up your own mind.