Fifth-grader PJ "Clueless" McGee writes a series of letters to his father, a private investigator, telling of his attempt to learn who stole the science fair trophy, thus clearing his own name. Interest Level: 3-6 Reading Level: 3.1 ATOS Book Level: 2.9 AR Interest Level: MG AR Points: 2 AR Quiz: 160187EN Reading Counts Level: 3.5 Reading Counts Points: 5 Lexile Measure: 450 Lexile Code: GN (Graphic Novel).