Twelve-year-old best friends and relatives, Julia and Eliza are happy to spend the summer together while Julia's mother is serving in the National Guard in Iraq but when they meet a neighborhood boy, their close relationship begins to change. Sci Hi: Scientists series. Interest Level: 5-8 Reading Level: 4.8 ATOS Book Level: 4.4 AR Interest Level: MG AR Points: 5 AR Quiz: 145143EN Reading Counts Level: 4.4 Reading Counts Points: 11 Lexile Measure: 720.