Disney Publishing Worldwide (DPW) announced the acquisition of a new book based on the upcoming Disney Channel Original Movie, “Descendants,” featuring the teenage children of Disney’s most infamous villains, to be written by best-selling author Melissa de la Cruz (THE WITCHES OF EAST END, BLUE BLOODS.) The book, ISLE OF THE LOST, will be a prequel to the story told in the forthcoming film that will premiere on Disney Channel in 2015. Legend has it that long ago, the most…