The Kingdom Keepers by Ridley Pearson
Using a cutting-edge technology called DHI - which stands for Disney Host Interactive and Daylight Hologram Imaging - Finn Whitman and four other teens are transformed into hologram projections that guide guests through the park. However, the new technology has unexpected effects that transport the teens in their DHI form into the Magic Kingdom at night where they encounter a mysterious group of Overtakers led by the scheming witch Maleficent who are plotting to destroy Disney's Kingdom. Is it real or is Finn dreaming? Read The Kingdom Keepers to find out!