The last remaining orange tree on a Southern California street brings together neighbors of all ages as they face their problems and anxieties, including the possibility that a mysterious stranger is a threat to their tree. Interest Level: 3-6 Reading Level: 5.2 ATOS Book Level: 5.2 AR Interest Level: MG AR Points: 5 AR Quiz: 143648EN Reading Counts Level: 5.4 Reading Counts Points: 9 Lexile Measure: 830.