An illustrated account of Ruth Harkness' journey to China and up the Yangtze River, where she discovered a baby panda she named Su Lin. Interest Level: 3-6 Reading Level: 3.5 ATOS Book Level: 3.5 AR Interest Level: LG AR Points: .5 AR Quiz: 149338EN Reading Counts Level: 2.4 Reading Counts Points: 1 Lexile Measure: 610 Lexile Code: AD (Adult Directed).