This is a class set of 15 books. Downriver by Will Hobbs. Grade Level 7 - 9. Fifteen-year-old Jessie and the other rebellious teenage members of a wilderness survival school team abandon their adult leader, hijack his boats, and try to run the dangerous white water at the bottom of the Grand Canyon. HIGH INTEREST SECOND CHANCE READING Interest Level: YA ATOS Book Level: 4.9 AR Interest Level: UG AR Points: 8 AR Quiz: 7006EN Reading Counts Level: 6.5 Reading Counts Points: 13 Lexile: 760L.