I read this clever book, aimed at the mid-grade set (I make this assessment based on the age of the protagonists only) in the course of a single evening. It kept my attention on a number of levels.Main character Finn and five other middle school kids are chosen by the Imagineering team at Walt Disney World to be captured as holographic images. The images, in turn, can be projected into different parts of the Magic Kingdom park to serve as digital hosts. This is all well and good until Finn wakes up one night in the park, talking to an imagineer named Wayne. Wayne tells him that the digital host kids are needed to stop the Disney villains from taking over the park. He explains that the amount of belief in the villains raised by the park's energetic visitors has made this not only possible, but probable -- and potentially dangerous for the outside world.So, Finn has to go about finding the other kids (who all attend different schools). He winds up getting assistance from two other schoolmates, Amanda and Jez, who always seem to know a little bit more than they're letting on.Of course, it's a fantasy tale; suspension of disbelief is absolutely necessary when audio-animatronic figures are walking around independently and animated characters are chasing holographic kids through the park. But it's a fun enough romp that I'm willing to read the next book in the series. In fact, I think most Disney fans would find the book quite entertaining.