Detective brothers Frank and Joe must figure out who is sabotaging their school talent show in the fourth book in an all-new, interactive Hardy Boys chapter book mystery series.Frank and Joe Hardy are excited to compete in the annual Bayport Elementary Talent Show. Frank is going to work behind the scenes, and Joe wants to show off his sweet juggling skills. But during the first rehearsal, strange things start to happen—their friend’s trumpet is filled with bubbles, someone’s backing track is switched to croaking frogs, and a strategically placed batch of hair dye gives one of their classmates a bad hair day to remember. Can Frank and Joe figure out how to stop the pranks before the curtain falls early on the show?

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