InthisthirdbookintheAstridtheAstronautchapterbookseries,Astridistornbetweenherbestfriendandarch-rival!TheShootingStarsandPetitePicassogroupsareworkingtogetheronacombinedSTEMandartproject--whichmeansBFFsAstridandHalliefinallygettoteamup!ButAstrid’sexcitementdoesn’tlastlongwhentheyaregroupedwithherarch-nemesis:Pearl.Andwhat’sworse,HallieactuallyagreeswithsomeoftheideasPearlhasfortheproject.Isn’tshesupposedtobeonAstrid’sside?CanAstrid,Hallie,andPearllearnhowtoworktogetherandcreateaprojectthat’soutofthisworld?