by Wil Mara (Author)

Mattie Madison is a kid detective famous for cracking the hardest cases. But she doesn't expect to walk right into one during her school's fashion show! A priceless necklace is supposed to be on display to raise money for the school's art program, but now it's gone! Mattie and her best friend Molly are immediately on the case, determined to solve the mystery of the missing necklace--and do it in style.