"Elmore Green likes being an only child, so when his parents bring a new small person, his baby brother, into the house he is not pleased and does his best to keep the new small person out of his life"--OCLC. Interest Level: K-3 Reading Level: 2.5 ATOS Book Level: 3.6 AR Interest Level: LG AR Points: .5 AR Quiz: 174229EN Lexile Measure: 760 Lexile Code: AD (Adult Directed) Guided Reading Level: L Fountas & Pinnell: L.