A 16-year-old boy arranges a housesitting job for the summer, but he starts acting strangely after his family moves in, and his sister begins to suspect they are not supposed to be there. IOWA CHILDREN'S CHOICE AWARDS 2006 - 2007 Interest Level: 5-8 Reading Level: 5.0 ATOS Book Level: 4.9 AR Interest Level: MG AR Points: 8 AR Quiz: 80960EN Reading Counts Level: 6.4 Reading Counts Points: 6 Lexile Measure: 730.