AR Book Level
4.6
AR Points
5
Word Count
32,874
Interest Level
Middle Grades Plus (MG+ 6 and up)
Genre
Fiction
AR Quiz #
230004 EN
About this book
Three scientists are found dead in a sealed, high-security laboratory. They had been studying an unknown substance brought to Earth by the Mars probe. Was this substance responsible for their deaths? Was it an accident - or could it be murder? Book #2
