内容简介
Dink,Josh,andRuthRosearehavinganexcellenttimeatthePenelopeGwinnconcert.Butduringintermission,Dinkinjureshisarm!Atthesametime,thesinger'sdiamondnecklaceisstolen.Couldthetwomishapssomehowbeconnected?AndcouldDink'sX-raybeaclue?It'suptothekidstoexaminetheevidenceandfindoutinthisexcitingyeteasy-to-readchapterbookmystery.