The official Disney Parks Blog is reporting author Ridley Pearson – Kingdom Keepers III: Disney in Shadow – will be launching and signing the new book on April 6 and 7 at Walt Disney World. April 6 is at Once Upon a Toy at Downtown Disney from 4p – 6p and 7p – 8p and April 7 is at MouseGear in Epcot from 4p- 6p.