内容简介
LetCollinstakeyouonajourneyinsideyouramazingbody.Funandfact-filled,thisisthebookforyouifyouwanttoknoweverythingabouthowyourbodyworks.Thisbrightlyillustratedandengagingbookwillgivehoursofpleasureaswellashelpwithschoolworkandprojects.FindoutaboutitallwithCollins.Partofthe'MyFirst'seriesofreferencebooksforyoungreaders.