When things like phones and key rings start going missing in the recording studio, Malibu and Brooklyn are on the case! Read along as they uncover the mystery in this book with an included toy microphone. Barbie "Malibu" Roberts and Barbie "Brooklyn" Roberts are so excited to finally be in the studio recording their very own music! But when things start mysteriously going missing around the recording studio, these two superstar sleuths are on the case! Young Barbie fans will love following along with Malibu and Brooklyn as they solve the case in this storybook with an included toy microphone!