Kingdom Keepers

The Kingdom Keepers  is a series of  novels  for young readers. It was written by  Ridley Pearson  and published by Disney Hyperion. The first novel,  Disney After Dark, was published in 2005, the second,  Disney at Dawn , was released on August 26, 2008,   the third,  Disney In Shadow  was released on April 6, 2010, the fourth  Power Play  on April 5, 2011, the fifth  Shell Game  on April 3, 2012, and the sixth "Dark Passage" It contains several elements from the Pirates of the Caribbean mythos.

Summary
In the Books, the main characters are kids who sign up for a program at Walt Disney World and end up at Disney World as holograms at night. These kids are  Finn Whitman, Terrence Maybeck , Charlene Turner ,Dell Philby ,Willa Angelo , Amanda Lockhart, and Jess Lockhart.   (Though the latter two only become holograms, or DHI's, in the third book.) Their mission is to stop the Overtakers, a group of villains from Disney-inspired media trying to escape the part and take over the world.

Pirates Content.

 * The animatronics of the Pirates of the Caribbean ride led by Blackbeard come to life and attack our protagionists when they first appear in the parks.
 * Calypso is an antagonist in the later books, and is the main adversary of the sixth book.
 * The Pirates of the Caribbean ride is where Malifecent is hiding in the first book.
 * An overtaker resembleing Jack Sparrow attacks Finn in the fifth book. Weather or not it was Jack Sparrow or not is mere speculation at this point.
 * The animatronic pirates return in the third book and attack our protagonists on Tom Sawyer Island.