Lysander Singleton tries his best to fit in at Twin Oaks Elementary, where all students are twins except him, but on the day of the Twindividuation contest his experience as an only child gives him a competitive edge. Interest Level: K-3 Reading Level: 4.8 ATOS Book Level: 3.4 AR Interest Level: LG AR Points: .5 AR Quiz: 152477EN Reading Counts Level: 4.5 Reading Counts Points: 1 Lexile Measure: 850 Lexile Code: AD (Adult Directed).