"JoJo is on tour! But that night at JoJo's big show, disaster strikes when JoJo's costume goes missing from the dressing room! Who could have taken it? JoJo thinks fast and the show goes on--at least until the next day, when the tabloids post images of aJoJo lookalike . . . wearing her missing costume around town! Who is the elusive doppelg�anger? And is she a superfan or superfoe? It'll take two BFFs and a perky pooch to sort out this mystery,...