Through a series of letters, Alex tries to convince his parents that he should not be staying with his grandparents while they are away, but slowly comes to realize that he can have fun, even at Happy Hills Retirement Community. Interest Level: K-3 Reading Level: 2.7 ATOS Book Level: 3.3 AR Interest Level: LG AR Points: .5 AR Quiz: 170653EN Lexile Measure: 610 Lexile Code: AD (Adult Directed).