Title: Unison spark
Description: Fifteen-year-old Mistletoe lives in the subcanopy zone amid poverty and outdated technology, but when she meets Ambrose Truax, the privileged sixteen-year-old heir to the Unison empire and they discover they share a sinister link, they begin a frightening journey into the uncharted territory of the Unison 3.0 upgrade.
Subjects: Science fiction, Online social networks, Friendship, Juvenile fiction, Teenagers, Social classes, Computer systems, Fiction, Technology, Children's fiction