Em & Jules Case 1: Hoco Loco

From the Publisher:

Em Smith, a 6th grader, is on top of the world. Her painting has earned a spot in the art show, which gives her the chance to ask her crush, Kyle, to the high school homecoming dance. But when Em and her best friend Jules discover that the art show has been destroyed, taking away their chance to go to the dance, they decide to search for the culprit, in the hopes that solving the mystery will get them back into the dance. As they search for clues, a surprising turn in the case leads Em to question her reasons for solving it in the first place. Can Em help her friend solve this mystery and unite with her crush before it’s too late?