"Little Green only knows one word: 'Go!' It's the perfect thing to get the construction site moving, but how will they stop?"--Provided by publisher. Interest Level: K-3 Reading Level: 1.7 ATOS Book Level: 1.7 AR Interest Level: LG AR Points: .5 AR Quiz: 165265EN Lexile Measure: 180 Lexile Code: AD (Adult Directed) Fountas & Pinnell: K.