Twelve-year-old Nicholas and his ten-year-old, twin sisters, Hetty and Haley, spend the summer with their Great-Uncle Nick at Forsaken Lake, where he and their new friend Charlie investigate the truth about an accident involving their families many years before. Interest Level: 5-8 Reading Level: 4.9 ATOS Book Level: 4.9 AR Interest Level: MG AR Points: 10 AR Quiz: 152000EN Reading Counts Level: 4.7 Reading Counts Points: 17 Lexile Measure: 770.