内容简介
IrisandWaltercan'twaitfortheirclassfieldtriptotheaquarium.They'llgettosittogetheronthebusandvisitscarysharks,shimmeryangelfish,and,bestofall,penguins.Theaquariumiseverythingtheyhadhopedfor—untilsuddenlyWaltergetslost!It'sagoodthinghisbestfriend,Iris,knowswhattodo!HerearefourchaptersofeasyreadingpleasureinthisnewLevel3GreenLightReaderseditionfeaturingsweetandsensitiveillustrationsbyChristineDavenier.