In Antarctica, Little Emperor grows from a hatchling who depends on his parents for food and warmth, to an adult, ready to live in the sea on his own. Interest Level: K-3 Reading Level: 2.4 ATOS Book Level: 4 AR Interest Level: LG AR Points: .5 AR Quiz: 147425EN Reading Counts Level: 4.7 Reading Counts Points: 1 Lexile Measure: 890 Lexile Code: AD (Adult Directed) Fountas & Pinnell: N.