Ages 9-12 | Grade Levels 4-8 | Choose from 16 Possible Endings Written in the second-person, the reader is the hero of the story who makes decisions along the way. You have spent your life communicating telepathically with your trusted friend Freedo. Now, two groups of Earth scientists have started asking you suspicious questions. Do you agree to help the government with UFO research or go work for a private corporation? And how good are you at fighting space robots? Choose Your Own Adventure is the 4th bestselling children's book series of all time. Empowering generations of children through choice, it is widely commended for its appeal to reluctant readers.