Reading Metrics
Grade Level
Middle Grades Plus (MG+ 6 and up)
Book Level
5.0
Points
11.0
Fiction/Nonfiction
Fiction
Word Count
72742
Points per Word
0.000151
Description
Petra's world is ending. Earth has been destroyed by a comet, and only a few hundred scientists and their children -- among them Petra and her family -- have been chosen to journey to a new planet. Text has mild violence and a theme of ableism.