Ten-year-old Adam (Melonhead) Melon and his fellow Junior Special Agent, Sam, investigate a fellow resident of Washington D.C.'s Capitol Hill neighborhood, believing that she is one of the FBI's Ten Most Wanted. Interest Level: 3-6 Reading Level: 3.1 ATOS Book Level: 3.1 AR Interest Level: MG AR Points: 4 AR Quiz: 146244EN Reading Counts Level: 2.4 Reading Counts Points: 9 Lexile Measure: 420.